Seiko Cal. 4547 - 461

This Spring Drive model from 1978 features a 45mm Stainless Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-acc16653eb9a]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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