Seiko Cal. 6663 - 666

The 6663-666 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6663 caliber with 17j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-7f14ccd66a36]

Also known as: Panda, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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