Seiko Cal. 6633 - 311

The Seiko 6633-311 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-13bdb9210713]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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