Seiko Cal. 6663 - 366

The Seiko 6663-366 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-dac2c014c2cb]

Also known as: Rally, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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