Seiko Cal. 6690 - 610

The 6690-610 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-d6173b8ce5f5]

Also known as: Rally, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1976

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