Seiko Cal. 5281 - 421

Released in 1977, the Cal. 5281 with design code 421 was part of Seiko's domestic market collection. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-7bad42ae7370]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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