Seiko Cal. 7144 - 422

The 7144-422 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7144 caliber with 18j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-6b19b08c98d6]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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