Seiko Cal. 6138 - 312

This Spring Drive model from 1983 features a 35mm Titanium case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-26a018179bcf]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

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