Seiko Cal. 6633 - 789

The Seiko 6633-789 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-32076b983cc5]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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