Seiko Cal. 3863 - 400

Seiko 3863-400

This Hand-Winding model from 1973 features a 40mm Stainless Steel case. Powered by the 3863 caliber with 34j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-cc22e939cd9f]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Green
Jewels
34j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1973

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