Seiko Cal. 5690 - 478

The Seiko 5690-478 represents an important milestone in Seiko's 1983 lineup. Powered by the 5690 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-9c37fecadcec]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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