Seiko Cal. 6317 - 381

This Hand-Winding model from 1981 features a 43mm Titanium case. Powered by the 6317 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-318a7e924473]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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