Seiko Cal. 3866 - 682

Seiko 3866-682

This Automatic model from 1987 features a 44mm Two-Tone case. Powered by the 3866 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c3d24ebad5c5]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
34j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1987

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