Seiko Cal. 6663 - 360

The Seiko 6663-360 represents an important milestone in Seiko's 1992 lineup. Powered by the 6663 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-5da721ef9415]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1992

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