Seiko Cal. 7157 - 287

The 7157-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7157 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8dd20e6e483f]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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