Seiko Cal. 4531 - 973

This Hand-Winding model from 1973 features a 43mm Two-Tone case. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-d8b6f358fdab]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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