Seiko Cal. 7157 - 438

This Solar model from 1980 features a 41mm PVD Black case. Powered by the 7157 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-412f39cc95f7]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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