Seiko Cal. 7121 - 573

The Seiko 7121-573 represents an important milestone in Seiko's 1976 lineup. Powered by the 7121 caliber with 19j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-98ad8958ecd2]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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