Seiko Cal. 7157 - 581

This Spring Drive model from 1995 features a 36mm Hardlex-Coated Steel case. Powered by the 7157 caliber with 35j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-19214d83e9d2]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1995

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