Seiko Cal. 6291 - 138

This Spring Drive model from 1987 features a 42mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-3447f3030b2f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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