Seiko Cal. 4490 - 750

The Seiko 4490-750 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-4fcba8ed171c]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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