Seiko Cal. 7157 - 380

This Hand-Winding model from 1965 features a 40mm Two-Tone case. Powered by the 7157 caliber with 26j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-35978ce8814c]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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