Seiko Cal. 6690 - 851

The Seiko 6690-851 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-2262c7b70cbe]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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