Seiko Cal. 6632 - 993

The Seiko 6632-993 represents an important milestone in Seiko's 1969 lineup. Powered by the 6632 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-50dd59be4ec1]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1969

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