Seiko Cal. 6663 - 840

The Seiko 6663-840 represents an important milestone in Seiko's 1983 lineup. Powered by the 6663 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-a2bd5c601726]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1983

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