Seiko Cal. 6633 - 589

The Seiko 6633-589 represents an important milestone in Seiko's 1984 lineup. With its 19mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-4bb4bf3a83fc]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1984

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