Seiko Cal. 5663 - 190

The Seiko 5663-190 represents an important milestone in Seiko's 1980 lineup. Powered by the 5663 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-dbaddc917db1]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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