Seiko Cal. 6233 - 964

The Seiko 6233-964 represents an important milestone in Seiko's 1979 lineup. Powered by the 6233 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-da4ab0e48150]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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