Seiko Cal. 3857 - 434

This Quartz model from 1968 features a 43mm Stainless Steel case. Powered by the 3857 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ebfc3ddefd68]

Also known as: Samurai, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

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