Seiko Cal. 6633 - 210

The Seiko 6633-210 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8df5576dc7f2]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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