Seiko Cal. 6690 - 690

The Seiko 6690-690 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-4a656a33f4a5]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1988

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