Seiko Cal. 4439 - 121

The Seiko 4439-121 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-573ca24cc4df]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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