Seiko Cal. 5243 - 431

The Seiko 5243-431 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4d4131b7f990]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1966

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