Seiko Cal. 7158 - 422

This Spring Drive model from 1981 features a 37mm Hardlex-Coated Steel case. Powered by the 7158 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5ceb75662509]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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