Seiko Cal. 3871 - 193

Seiko 3871-193

This Hand-Winding model from 1981 features a 40mm Hardlex-Coated Steel case. Powered by the 3871 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-1fa4bb5f1a37]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
24j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1981

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