Seiko Cal. 3866 - 916

Seiko 3866-916

This Solar model from 1985 features a 44mm Hardlex-Coated Steel case. Powered by the 3866 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e5d949e8de3a]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
120m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1985

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