Seiko Cal. 7157 - 601

This Quartz model from 1970 features a 38mm Two-Tone case. Powered by the 7157 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bca2ae123dd3]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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