Seiko Cal. 3857 - 434

Seiko 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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