Seiko Cal. 4438 - 729

The Seiko 4438-729 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-3b486b4dfff1]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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