Seiko Cal. 6690 - 270

The 6690-270 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 40 hours power reserve. [seikata-wm-f826cbe37026]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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