Seiko Cal. 5666 - 609

Released in 1966, the Cal. 5666 with design code 609 was part of Seiko's domestic market collection. Powered by the 5666 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-a392ec6292da]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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