Seiko Cal. 6690 - 718

The 6690-718 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b812df9cbb3e]

Also known as: Samurai, Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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