Seiko Cal. 4559 - 991

Seiko 4559-991

This Hand-Winding model from 1967 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-db0a7e821f15]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1967

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