Seiko Cal. 4426 - 647

The Seiko 4426-647 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-dcde7e1b8ce6]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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