Seiko Cal. 6633 - 716

The 6633-716 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6633 caliber with 17j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-1e80bc228d37]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1983

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