Seiko Cal. 6633 - 123

The Seiko 6633-123 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-314ee7ccea81]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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