Seiko Cal. 3866 - 668

Seiko 3866-668

This Hand-Winding model from 1988 features a 34mm PVD Black case. Powered by the 3866 caliber with 18j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-5c95ec83f36c]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1988

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seikata-wm-5c95ec83f36c