Seiko Cal. 7157 - 137

This Automatic model from 1965 features a 37mm Stainless Steel case. Powered by the 7157 caliber with 18j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-1636352b4874]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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