Seiko Cal. 4573 - 518

This Spring Drive model from 1977 features a 43mm Two-Tone case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-db2ca2ba58a0]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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