Seiko Cal. 6633 - 512

The Seiko 6633-512 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-4b35b4a9ab97]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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