Seiko Cal. 4511 - 997

The Seiko 4511-997 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fe8a56ea64a7]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1972

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