Seiko Cal. 6677 - 971

The 6677-971 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6677 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-d9bb137382fd]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1965

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