Seiko Cal. 7138 - 992

This Spring Drive model from 1994 features a 36mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-340f1b68902e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1994

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