Seiko Cal. 3811 - 989

Seiko 3811-989

This Automatic model from 1975 features a 36mm Gold-Plated case. Powered by the 3811 caliber with 32j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1a7f9226313e]

Also known as: Crown

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
32j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1975

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