Seiko Cal. 4573 - 303

The Seiko 4573-303 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-64e9c691ef09]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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