Seiko Cal. 3864 - 368

Seiko 3864-368

This Automatic model from 1971 features a 36mm Hardlex-Coated Steel case. Powered by the 3864 caliber with 32j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-0ef9090b0865]

Also known as: Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1971

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