Seiko Cal. 7157 - 238

The 7157-238 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7157 caliber with 31j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-0edc259cf437]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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