Seiko Cal. 6315 - 637

This Spring Drive model from 1983 features a 34mm Titanium case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c486d923b4a4]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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