Seiko Cal. 4438 - 711

This Quartz model from 1971 features a 38mm PVD Black case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-371598b8db7d]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1971

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