Seiko Cal. 4425 - 323

Seiko 4425-323

This Hand-Winding model from 1977 features a 37mm PVD Black case. Powered by the 4425 caliber with 36j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-e196e8b94178]

Also known as: Sumo, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1977

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seikata-wm-e196e8b94178