Seiko Cal. 6663 - 109

The Seiko 6663-109 represents an important milestone in Seiko's 1990 lineup. Powered by the 6663 caliber with 26j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-5259f60b218e]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1990

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