Seiko Cal. 5642 - 904

The 5642-904 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5642 caliber with 29j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ea374ed64af4]

Also known as: World Timer, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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