Seiko Cal. 5643 - 498

This Hand-Winding model from 1973 features a 35mm Hardlex-Coated Steel case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-581fe228ca0c]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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