Seiko Cal. 5641 - 998

Released in 1971, the Cal. 5641 with design code 998 was part of Seiko's domestic market collection. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-b1a1dbebd7fe]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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