Seiko Prospex 1968 Heritage Diver’s Mechanical Automatic GMT Watch "Seiko Diver’s Watch 60th Anniversary" Limited Edition - "Rough Sea Waves"
SBEJ027
(Intl. Version Model: SPB509)
Limited Edition of 6,000 Pieces
Born of the Depths — A Tribute to the Sea’s Untamed Soul
Celebrate 60 years of legendary deep-sea exploration with the Seiko Prospex SPB509, known domestically in Japan as the SBEJ027. This Limited Edition diver’s watch, capped at just 6,000 pieces worldwide, is a tribute to Seiko’s groundbreaking 1968 mechanical dive watches — reimagined for modern adventurers with robust GMT capabilities.
Inspired by the power and mystery of the rough sea, this anniversary timepiece combines vintage spirit with contemporary engineering. The textured and rugged dark blue dial evokes deep ocean currents and turbulent wave motion, offering a dramatic backdrop to the high-contrast hands and indices. Lumibrite-coated markers ensure clarity and legibility even in extreme conditions.
Powered by Seiko’s new Caliber 6R54 automatic GMT movement, the SPB509 delivers precise dual-time functionality with a generous 72-hour power reserve — ideal for globetrotters and divers alike. The unidirectional ceramic bezel, sapphire crystal, and 300M water resistance ensure performance and reliability in unforgiving environments.
Crafted from fine stainless steel, the 42mm case features refined brushing and polished accents, along with a commemorative screw-down case back celebrating Seiko’s dive watch legacy, making it a must-have for collectors and enthusiasts.
⚡️ Whether you're navigating coastlines or collecting milestones, the Seiko SPB509 “Rough Sea” Diver's 300M GMT is a bold salute to precision, endurance, and marine heritage. Experience the next wave of mechanical craftsmanship—available now at Watchoutz.com.
SBEJ027 Specification:
Movement
Caliber: 6R54
Type: Mechanical Automatic with manual winding
Accuracy: +25 to -15 seconds per day
Duration: Approx. 72 hours (fully wound)
Functions: 24-hour hand (dual time display function); Stop second hand function
Jewel: 24
Exterior
Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size: Thickness:13.3mm; 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, solid & slide adjuster
Distance between lugs: 20
Other Details
Water Resistance: 300m / 1000ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 188.0g
LIMITED EDITION on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
Screw-down crown
Three-fold clasp with secure lock
Screw caseback