Seiko Cal. 3817 - 121

Seiko 3817-121

This Automatic model from 1975 features a 41mm Titanium case. Powered by the 3817 caliber with 33j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-4f8724cfb364]

Also known as: Pogue

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1975

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