Seiko Cal. 6663 - 360

The 6663-360 is a sought-after Solar piece from Seiko's golden era. Powered by the 6663 caliber with 33j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-1b297d12812c]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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