Seiko Prospex Sea 1968 Diver's Re-interpretation GMT Save the Ocean Watch SPB439J1

Caliber Number: 6R54

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 72 hours(3 days)

Jewels: 24

24-hour hand (dual time display function)

Stop second hand function

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 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

Water Resistance: 200m / 660ft diver's

Magnetic Resistance: 4,800 A/m

Weight: 177.0g

LIMITED EDITION on the case back (Limited to 1500 pieces)

Serial number engraved on the case back

Unidirectional rotating bezel

Screw-down crown

Three-fold clasp with secure lock

Screw case back