Seiko Cal. 4578 - 508

The Seiko 4578-508 represents an important milestone in Seiko's 1978 lineup. Powered by the 4578 caliber with 34j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-0e8d37b3c23d]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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