Seiko SPB381J1 Prospex 1968 Diver’s Modern Re-interpretation GMT 200m Automatic Divers Watch -SPB381

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

Stop second hand function

Case/Band

Case Material

Stainless steel

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

20mm

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