Seiko Cal. 5666 - 385

This Hand-Winding model from 1983 features a 37mm Titanium case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-7cdb6ad816d1]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1983

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