Seiko Cal. 6633 - 185

The Seiko 6633-185 represents an important milestone in Seiko's 1982 lineup. Powered by the 6633 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-307c8dd89296]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1982

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