Seiko Cal. 3884 - 367

Seiko 3884-367

This Spring Drive model from 1966 features a 34mm PVD Black case. Powered by the 3884 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-043c185d0644]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1966

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seikata-wm-043c185d0644