Seiko Cal. 4531 - 372

The Seiko 4531-372 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-6ef5f3849b69]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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