Seiko Cal. 4478 - 226

Seiko 4478-226

This Hand-Winding model from 1965 features a 37mm Hardlex-Coated Steel case. Powered by the 4478 caliber with 23j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-5c07520bc16f]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1965

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seikata-wm-5c07520bc16f