Seiko Cal. 3866 - 566

Seiko 3866-566

This Automatic model from 1979 features a 46mm Titanium case. Powered by the 3866 caliber with 26j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-34a085797178]

Also known as: Bellmatic, Navigator

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
26j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1979

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seikata-wm-34a085797178