Seiko Cal. 6663 - 183

The Seiko 6663-183 represents an important milestone in Seiko's 1977 lineup. Powered by the 6663 caliber with 18j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-ecdf3be83010]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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