This story is part of the GP100 , our list of the 100 best new products of the year. Read the introduction to the series here , and stay tuned for more lists like it throughout the month. In a year fraught with upheaval and uncertainty, the slight shifts in the horological landscape \u2014 the wider adoption of e-commerce, the continued downsizing of watch-case diameters \u2014 were welcomed. New watches were characterized by mostly incremental changes: Omega debuted a renewed caliber 321 movement in a steel Speedmaster (pricey but awesome), and Rolex's Oyster Perpetual brought back bright dial colors from the 1970s (unexpected but beautiful). Despite the tumultuousness of 2020, time, it appears, marches on. Rolex Oyster Perpetual Movement: Rolex cal. 2232 or 3230 automatic Water Resistance: 100m Diameters: 28mm, 31mm, 34mm, 36mm, 41mm Price: $5,100+ LEARN MORE When many people think of a wristwatch, they imagine the Rolex Submariner. The flagship diver was introduced in 1953 and still turns heads, as it did most recently when Rolex dropped news of a new 41mm Sub in August. But it was the quieter debut of an updated Oyster Perpetual, the Crown's entry-level model, that has captured the hearts of die-hard Rolex nerds in 2020. Back in the 1970s, certain Rolex models were equipped with bright, eye-catching enamel faces called "Stella" dials. They were wild, especially by Rolex's famously conservative standards today. (Most of its watch dials are black, white, silver \u2014 maybe an occasional blue.) So when Rolex brought a flock of new, Stella-looking OPs onto the scene in 2020, Crown devotees took notice. Is Rolex being, daresay, fun again? However you want to characterize the move, it's a welcome one. The Oyster Perpetual is no longer available in the beloved 39mm "Goldilocks" size, but there are now five diameters of OP to choose from (including a new 41mm version) in a host of striking shades, from canary yellow to sky blue to fire red and more. Best of all, if you'd prefer a classic Rolex look, you can spring for handsome silver-grey, rhodium or ruthenium dials. With its upgraded Rolex cal. 2232 or 3230 automatic movement (depending up on the size), matching steel Oyster bracelet and handsome new dial colors, the new OP may be the Rolex to get in 2020. Omega Speedmaster 321 Stainless Steel Movement: Omega caliber 321 mechanical Water Resistance: 50m Diameter: 39.7mm Price: $14,100 SHOP NOW While most watchmakers today are content to simply replicate a vintage look in a modern timepiece, Omega recently went to uncommon lengths to recreate one of its famously space-tested Speedmaster watches. Four years before the 1969 moon landing, American astronaut Ed White became the second person ever to perform a spacewalk. He did it with two Speedmasters that each showed a different time zone. To revive the long-discontinued caliber 321 manually wound movement that powered these watches, Omega used tomographic imaging to scan a vintage example. The brand then opened a workshop dedicated to meticulously duplicating the movement, assigning a single watchmaker to assemble each new caliber 321-based Speedmaster watch by hand. The new 321, which replicates a movement that's been out of production for 50 years down to its tiniest detail, now powers a thoroughly modern chronograph. And though the watch is based on a reference that preceded Omega\u2019s iconic Moonwatch, it satisfies those ardent fans who have long been waiting for an authentic modern Speedy. The new Speedmaster is remarkably faithful to the original, but Omega isn't trying to fool anyone into thinking it's a vintage model. Watches of the sixties hid their movements behind solid case backs; here, however, Omega proudly displays the modern caliber 321 through a transparent window, and features like a sapphire crystal and a ceramic bezel are welcome upgrades \u2014 even if they aren't historically accurate. The one letdown is that while the Speedmasters of the 1960s were purely pragmatic tools, the modern Speedmaster Moonwatch 321 Stainless Steel is a collector's dream, and therefore priced accordingly at over $14,000. Seiko Prospex SPB149 Movement: Seiko 6R35 automatic Water Resistance: 200m Diameter: 40.5mm Price: $1,350 SHOP NOW Seiko's broad collection of modern dive watches all began with a single model in 1965: known as the 62MAS (aka reference 6217-8001), it still underpins the brand's aesthetics and feel. The 62MAS was not only a milestone for Seiko, but is also recognized as Japan's first professionally oriented dive watch. Water-resistant to 150m and featuring an automatic movement, it had most of the basic traits of modern divers and the pragmatic looks that now captivate vintage watch enthusiasts. Though it's been replicated and reinterpreted over the years, the 62MAS's latest incarnation, the SPB149, truly nails the balance between retro and contemporary, making for one of the most compelling timepieces of 2020. Blocky elements of the watch's design \u2014 such as the hands, indices and the case itself \u2014 evoke the 62MAS, but its broad bezel immediately sets it apart. More than these design elements, however, it's the high level of refinement and build quality that characterize the SPB149, reinforced by premium features like sapphire crystal and Seiko's recently upgraded 6R35 automatic movement with 70 hours of power reserve. The SPB149 (and its related siblings) is still very much a tool watch with the rock-solid quality and value Seiko fans expect, but its design, dimensions and character make it stand from out other divers in Seiko's approximately $1,000 Prospex tier \u2014 and from most of the non-Seiko competition. IWC Portugieser Yacht Club Moon & Tide Movement: IWC cal. 82835 automatic Water Resistance: 60m Diameter: 44.6mm Price: $33,100 SHOP NOW Complicated mechanical timepieces \u2014 those that do anything beyond simple timekeeping \u2014 are engineering marvels that have to be seen to be fully appreciated. A calendar watch that tells you the day, date and month? Yep, those exist. And they're powered by springs and gears. One such complication that's esoteric even by independent watchmaking standards is the tide indicator, which gives the wearer information on the Earth's tides \u2014 high or low, spring or neap \u2014 and when they'll occur relative to the time of day. Only a handful of such watches have been designed over the years, the latest of which comes from a major Swiss brand in the form of the IWC Portugieser Yacht Club Moon & Tide. Executed in a striking 44.6mm 18k 5N pink gold case, it's surely a statement piece. But the value here is more than skin deep: inside the watch beats the IWC cal. 82835, an automatic movement with 60 hours of power reserve that calculates the time, the moon phase for both northern and southern hemispheres, and times for high and low tide. The double moon phase indicator, a signature of IWC's, also indicates relative tide strength. Who needs such a watch in 2020? Possibly no one. But that's not why folks buy mechanical watches. The sophistication of the engineering and the beauty of the design are enough to justify the Moon & Tide's existence \u2014 even though justifying its $33,100 price tag to your accountant might be a bit harder. Piaget Altiplano Ultimate Concept Movement: Piaget cal. 900P-UC automatic Water Resistance: 30 meters Diameter: 40mm Price: Upon request SHOP NOW Piaget announced the Altiplano Ultimate Concept back in 2018 as the thinnest mechanical watch in the world, but at the time, it was just that \u2014 a concept. Now the AUC is available as a full production model in over 10,000 possible permutations; buyers can customize the watch's dial, handset, bridge and more. Five separate patents were registered for its design, which includes an unbelievably thin 0.2mm crystal, a specially designed movement with 40 hours of power reserve and an overall thickness of just 2mm. Sinn U50 Movement: Sellita cal. SW300 automatic Water Resistance: 500m Diameter: 41mm Price: $2,180 - $2,940 SHOP NOW Despite its badass looks and serious professional cred, not everyone has the wrists for the popular but generously sized 44mm sized Sinn U1. The new U50, however, which measures a more manageable 41mm, retains the U1's features and looks but opens up the playing field to a new set of dive-watch wearers. Made of German submarine steel and treated with Sinn's hardening technology, the U1 is rated to venture even deeper than your average dive watch \u2014 or human \u2014 can handle. Cartier Priv\u00e9 Tank Asym\u00e9trique Movement: Cartier 1917 MC mechanical Water Resistance: 30m Diameter: 26.2mm Price: $26,400\u2013$30,100 SHOP NOW Despite the iconic status of its thin, rectangular case and elegant Roman numerals, a watch as familiar as the classic Cartier Tank can sometimes benefit from a twist. Reviving an unusual model that debuted in 1936 (and has since seen several updates), the Tank Asym\u00e9trique turns the watch's formal rectangle into a rhomboid and rotates the dial elements by 30 degrees \u2014 resulting in a natural reading angle for the wearer. With Arabic numerals executed in a playful font, the Asym\u00e9trique has a unique appeal unlike that of any other dress watch. Longines Heritage Classic Tuxedo Movement: Longines cal. L893 automatic Water Resistance: 30 meters Diameter: 38.5mm Price: $2,000 SHOP NOW Though there's certainly an abundance of vintage-inspired watch designs, some of these timepieces are simply too beautiful to relegate to horological history. The Longines Heritage Classic Tuxedo is one such watch. With its handsome black-and-silver dial, all-caps, midcentury logo and pared-down aesthetic, you'd be forgiven for assuming this is indeed a 75-year-old object. Its 38.5mm steel case, automatic movement with 64 hours of power reserve and Super-LumiNova lume, however, give it a 21st-century feel. Strap it on for dinner and you're sure to recall a more elegant time. Jaeger-LeCoultre Master Control Memovox Timer Movement: Jaeger-LeCoultre cal. 965AA automatic Water Resistance: 50 meters Diameter: 40mm Price: $15,600 SHOP NOW Cell phones make for convenient alarm clocks, but if you're tech-fatigued, why not substitute yours for a more classically inspired one: the new Jeager-LeCoultre Master Control Memovox Timer. It updates the famed Swiss maison's mechanical alarm watch with a new function \u2014 namely, the ability to set a countdown timer by selecting the number of hours until the alarm rings. (You can also set the alarm more conventionally, to a specific time.) All this functionality is powered by an automatic movement made in-house by JLC and is fitted to a beautiful, brushed blue sunray dial. Ollech & Wajs Ocean Graph Movement: ETA cal. 2824-2 automatic Water Resistance: 1,000m Diameter: 39.56mm Price: $1,867 SHOP NOW Nearly lost to history, independent watchmaker Ollech & Wajs came roaring back onto the scene with its new Ocean Graph. The watch is pretty, sure, with faded blue and orange tones, but also genuinely functional \u2014 the colorful bezel features a dive decompression chart and the dial's strong legibility is important underwater. It\u2019s not only a fascinating throwback to a more analog age of diving, but also a beast of a watch with a chunky case that's water-resistant to no less than a kilometer.