Seiko Cal. 6657 - 368

The Seiko 6657-368 represents an important milestone in Seiko's 1967 lineup. Powered by the 6657 caliber with 22j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-a731510e3859]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1967

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