Seiko Cal. 6633 - 961

The Seiko 6633-961 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-eadbafd23c40]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1989

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