Seiko Cal. 4581 - 173

The Seiko 4581-173 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1b3e46677456]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

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