Seiko Cal. 3861 - 445

Seiko 3861-445

This Hand-Winding model from 1991 features a 39mm Titanium case. Powered by the 3861 caliber with 19j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-760c57fbbfb1]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Green
Jewels
19j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1991

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