Seiko Cal. 0781 - 553

This Spring Drive model from 1977 features a 35mm Stainless Steel case. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-2b66c0a91f9c]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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