Seiko Cal. 3856 - 420

Seiko 3856-420

This Quartz model from 1970 features a 37mm Titanium case. Powered by the 3856 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-97a720db06c9]

Also known as: Samurai

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1970

Related Models

seikata-wm-97a720db06c9