Seiko Cal. 0721 - 722

The 0721-722 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0721 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1afac68982a3]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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