Seiko Cal. 3887 - 147

Seiko 3887-147

This Automatic model from 1971 features a 40mm Hardlex-Coated Steel case. Powered by the 3887 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-aaa9f24f6229]

Also known as: Crown, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1971

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