Seiko Cal. 6698 - 647

Released in 1971, the Cal. 6698 with design code 647 was part of Seiko's domestic market collection. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d90bbbea4bb7]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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