Seiko Cal. 3871 - 430

Seiko 3871-430

This Automatic model from 1991 features a 41mm Stainless Steel case. Powered by the 3871 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-192ea6ba4205]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1991

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