Seiko Cal. 6690 - 140

The 6690-140 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6690 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7528206ed6e2]

Also known as: Shogun, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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