Seiko Cal. 6689 - 833

Released in 1978, the Cal. 6689 with design code 833 was part of Seiko's domestic market collection. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7518dbe614bc]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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