Seiko Cal. 7157 - 580

This Spring Drive model from 1991 features a 42mm Hardlex-Coated Steel case. Powered by the 7157 caliber with 17j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a95b8e66a170]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1991

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