Seiko Cal. 6663 - 898

The Seiko 6663-898 represents an important milestone in Seiko's 1986 lineup. Powered by the 6663 caliber with 23j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-8cd785f68165]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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