Seiko Cal. 3873 - 104

Seiko 3873-104

This Automatic model from 1970 features a 35mm Stainless Steel case. Powered by the 3873 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c9702ac10ece]

Also known as: Tuna, Pogue

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1970

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seikata-wm-c9702ac10ece