Seiko Cal. 6157 - 957

This Quartz model from 1966 features a 36mm Stainless Steel case. Powered by the 6157 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c535c2af5c56]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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