Seiko Cal. 6663 - 531

The 6663-531 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6663 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-55275757158e]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1972

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