Seiko Cal. 5285 - 643

The 5285-643 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-ece8a0ddd40f]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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