Seiko Cal. 6690 - 590

The Seiko 6690-590 represents an important milestone in Seiko's 1986 lineup. Powered by the 6690 caliber with 33j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-ab3cc5d6f286]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1986

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