Seiko Cal. 6693 - 986

Released in 1978, the Cal. 6693 with design code 986 was part of Seiko's domestic market collection. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ac2159496ebb]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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