Seiko Cal. 6650 - 667

Released in 1971, the Cal. 6650 with design code 667 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f4ff52536edb]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

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