Seiko Cal. 5643 - 782

Released in 1983, the Cal. 5643 with design code 782 was part of Seiko's domestic market collection. Powered by the 5643 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-607213820c9b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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