Seiko Cal. 4581 - 200

Seiko 4581-200

This Spring Drive model from 1967 features a 37mm Stainless Steel case. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-87be2a0897ef]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
18j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1967

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