Seiko Cal. 5642 - 494

The 5642-494 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5642 caliber with 34j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-0606ddd22e1d]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1982

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