Seiko Cal. 5666 - 461

This Hand-Winding model from 1987 features a 37mm Stainless Steel case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-51af096f3496]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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