Seiko Cal. 3866 - 172

Seiko 3866-172

This Kinetic model from 1971 features a 37mm Stainless Steel case. Powered by the 3866 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-bb49874057fc]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1971

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