Seiko Cal. 3870 - 280

Seiko 3870-280

This Hand-Winding model from 1993 features a 36mm Gold-Plated case. Powered by the 3870 caliber with 20j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-194bd946b870]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1993

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seikata-wm-194bd946b870