Seiko Cal. 5642 - 693

The Seiko 5642-693 represents an important milestone in Seiko's 1983 lineup. Powered by the 5642 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-018510c803f1]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1983

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