Seiko Cal. 7158 - 264

This Hand-Winding model from 1970 features a 37mm Stainless Steel case. Powered by the 7158 caliber with 36j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-79c0a6b69f89]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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