Seiko Cal. 3866 - 590

Seiko 3866-590

This Hand-Winding model from 1971 features a 44mm PVD Black case. Powered by the 3866 caliber with 21j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-05e28fe0c8c9]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1971

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