Seiko Cal. 4583 - 631

Seiko 4583-631

This Hand-Winding model from 1978 features a 34mm Gold-Plated case. Powered by the 4583 caliber with 28j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-417ac9c072b3]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1978

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seikata-wm-417ac9c072b3