Seiko Cal. 6664 - 799

The Seiko 6664-799 represents an important milestone in Seiko's 1982 lineup. Powered by the 6664 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-d12a8970e500]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1982

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