Seiko Cal. 3880 - 139

Seiko 3880-139

This Automatic model from 1976 features a 39mm Titanium case. Powered by the 3880 caliber with 29j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-d52150935d8a]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1976

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seikata-wm-d52150935d8a