Seiko Cal. 4480 - 725

Seiko 4480-725

This Hand-Winding model from 1967 features a 42mm Hardlex-Coated Steel case. Powered by the 4480 caliber with 18j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-73e624a7b2d7]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1967

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