Seiko Cal. 5688 - 824

The Seiko 5688-824 represents an important milestone in Seiko's 1966 lineup. Powered by the 5688 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-9a902de0c535]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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