Seiko Cal. 6647 - 867

The 6647-867 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6647 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a2ebd71fe0d2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1994

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