Seiko Prospex 1968 Diver's Style Mechanical Automatic GMT Diver "MM200" Green Dial
SBEJ009
(Intl. Version Model: SPB381)
The Seiko Prospex Green GMT SPB381 / SBEJ009 is a modern re‑imagining of Seiko’s iconic 1968 diver, crafted for collectors who value both heritage and innovation. Its vivid green dial radiates adventure, while the GMT function makes it a versatile companion for divers, travelers, and horology enthusiasts worldwide. At its core lies the Caliber 6R54, delivering a robust 72‑hour power reserve, dual winding capability, and smooth reliability enhanced by 24 jewels — a movement built to endure.
Designed for the depths yet refined for daily wear, the SPB381 offers 200m professional water resistance, sapphire crystal clarity, and LumiBrite brilliance that ensures visibility in darkness. The stainless steel case paired with a ceramic bezel balances rugged durability with elegance, while its lightweight construction ensures comfort across every journey.
This Prospex Green GMT stands out not only for its striking aesthetics but also for its rarity. Known globally as SPB381 and in Japan as SBEJ009, it embodies Seiko’s dedication to precision and artistry. Whether navigating oceans or crossing time zones, it seamlessly transitions from professional dive gear to a statement piece for everyday life. For collectors in 2026, the SPB381 / SBEJ009 is more than a watch — it is a symbol of Seiko’s enduring spirit, a must‑have that bridges tradition and modern engineering.
SBEJ009 Specification:
Movement
Caliber: 6R54
Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours(3 days)
Jewel: 24
Exterior
Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size: Thickness:12.9mm; Diameter:42.0mm; Lug-to-lug:48.6mm
Crystal: Sapphire crystal
Crystal Coating: Anti-reflective coating on the inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock, push button release with extender
Distance between lugs: 20
Other Details
Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 176.0g
Features
Unidirectional rotating bezel
Screw-down crown
Three-fold clasp with secure lock
Screw case back
24-hour hand (dual time display function)
Stop-second hand function
* Kindly note that the displayed image is either a graphic representation or a prototype and may not precisely reflect the final product. Color variations may occur due to differences in browsers, display settings, or devices used for viewing. Additionally, the orientation of the case back in the actual product may differ from what is shown in the photograph.