Seiko Cal. 0740 - 446

This Quartz model from 1978 features a 45mm PVD Black case. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-aff8f1e4b9cd]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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