Seiko Cal. 3871 - 506

Seiko 3871-506

This Automatic model from 1972 features a 38mm Hardlex-Coated Steel case. Powered by the 3871 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6f5a64765a2a]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1972

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