Seiko Cal. 5633 - 809

The 5633-809 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5633 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-0ce7dfb13c1d]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1981

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