Seiko Cal. 6635 - 819

This Spring Drive model from 1991 features a 42mm Gold-Plated case. Powered by the 6635 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-5f9e6d64d53a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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