Seiko Cal. 3866 - 604

Seiko 3866-604

The Seiko 3866-604 represents an important milestone in Seiko's 1980 lineup. Powered by the 3866 caliber with 25j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-3f0b77e8763c]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
200m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1980

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