Seiko Prospex Sea 1968 Heritage Diver's GMT SS 42 MM Green Dial Watch HBC001J1

The 1968 Heritage Diver's GMT Watch is powered by the Caliber 6R54, which features a GMT function that allows it to display the time in two different time zones. The watch’s specifications have been enhanced to offer 300-meter water resistance.

Movement

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

Functions

24-hour hand (dual time display function)

Stop second hand function

Case/Band

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 inner surface

LumiBrite

LumiBrite on hands, index(es) and bezel

Clasp

Three-fold clasp with secure lock & push button release, solid & slide adjuster

Bracelet Length

200.0

Distance between lugs

20

Other Details

Water Resistance

300m / 1000ft diver's

Magnetic Resistance

4,800 A/m

Features

Unidirectional rotating bezel

Screw-down crown

Screw case back