Seiko Cal. 5683 - 493

The Seiko 5683-493 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-712750c566e7]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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