Seiko Cal. 4523 - 747

The Seiko 4523-747 represents an important milestone in Seiko's 1980 lineup. Powered by the 4523 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-dfed9febab97]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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