Seiko Cal. 0791 - 666

The 0791-666 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0791 caliber with 26j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-ba3e67160a1f]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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