Seiko Cal. 6666 - 644

The 6666-644 is a sought-after Solar piece from Seiko's golden era. Powered by the 6666 caliber with 22j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4f3874a65f60]

Also known as: Panda, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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