Seiko Cal. 5642 - 819

The 5642-819 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5642 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c1dc91652ba3]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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