Seiko Cal. 6651 - 771

The 6651-771 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6651 caliber with 18j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-a20da96ecf7f]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1969

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