Seiko Cal. 6158 - 889

This Spring Drive model from 1977 features a 41mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-a519ab4d9253]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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