Seiko Cal. 4560 - 531

Seiko 4560-531

This Hand-Winding model from 1974 features a 40mm PVD Black case. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-7d2c5c550e79]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1974

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seikata-wm-7d2c5c550e79