Seiko Cal. 6664 - 392

The 6664-392 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6664 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e687285a23be]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1991

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