Seiko Cal. 5621 - 379

This Hand-Winding model from 1984 features a 45mm PVD Black case. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-8b2ea8c0143c]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1984

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