Seiko Cal. 4430 - 654

Seiko 4430-654

This Spring Drive model from 1979 features a 44mm Gold-Plated case. Powered by the 4430 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-0072b10220eb]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1979

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seikata-wm-0072b10220eb