Seiko Cal. 5660 - 812

Seiko 5660-812

This Hand-Winding model from 1990 features a 37mm Stainless Steel case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-a4bbbd9f2ccf]

Also known as: Helmet, Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1990

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