Seiko Cal. 6620 - 766

The 6620-766 is a sought-after Solar piece from Seiko's golden era. Powered by the 6620 caliber with 33j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c949116432f2]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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