Seiko is one of the few fully integrated watch manufactures. We design and develop our own movements using leading-edge technology.

Providing a power reserve of approximately 72 hours, the longest of any Seiko mechanical watch, this 24-jewel automatic GMT movement beats at a frequency of 21,600 vibrations per hour and offers …

A pro-Seiko forum, for modern & vintage Seiko. Feel free to discuss Seiko watches, new releases, production, restoration input, wrist-checks, questions, everything.

Find low prices for 17 Seiko ref. SPB383J1 watches on Chrono24. Compare deals and buy a ref. SPB383J1 watch.

Introducing a modern take on a classic Seiko diver, now updated with a GMT function and extended power reserve. Built for durability, it features strong water resistance, a scratch-resistant ceramic …

Mar 4, 2025 · Seiko's Prospex SPB381 and SPB383 GMT dive watches, blending heritage with modern design and advanced technology. The design of these new models brilliantly channels Seiko's iconic …

Apr 2, 2024 · Ever since its first diver’s watch in 1965, Seiko has developed new technologies, features and designs that have made the Seiko diver’s watch collection a favorite among professional and …

Mar 8, 2023 · All three versions are 42mm wide, 12.9mm thick, 48.6mm lug-to-lug, and have sapphire crystals, drilled lugs, ceramic bezel inserts, and a date tucked between the four and five-hour …

All three watches are water resistant to 200 meters, have Lumibrite on the hands and all 12 markers, and feature a unidirectional bezel with a luminous pip. Each is presented on a new three-link …

Jul 3, 2023 · In March, Seiko unveiled its first series of mechanical Prospex GMT dive watches — the SPB381, SPB383, and SPB385. They are three GMT versions of the 1968 Diver’s Modern Re …