Seiko Cal. 6690 - 527

The Seiko 6690-527 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-821fcb36d9bb]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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