Seiko Cal. 4498 - 353

This Spring Drive model from 1982 features a 40mm PVD Black case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-cfebc8c603d1]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1982

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