Seiko Cal. 7137 - 639

This Hand-Winding model from 1986 features a 43mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-31e6fdcb5e13]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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