Seiko Cal. 7158 - 904

This Spring Drive model from 1987 features a 38mm Hardlex-Coated Steel case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-aba659904330]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

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