Seiko Cal. 3813 - 478

Seiko 3813-478

This Automatic model from 1976 features a 40mm Titanium case. Powered by the 3813 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-7555d870b025]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Cream
Jewels
20j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1976

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seikata-wm-7555d870b025