Seiko Cal. 4487 - 273

The Seiko 4487-273 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-c1efbf2938c5]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

Related Models

• Seiko 6325-257
• Seiko 7083-130
• Seiko 7153-163
• Seiko 6237-154
• Seiko 5669-337
• Seiko 6314-584
• Seiko 4478-361
• Seiko 5212-831
• Seiko 6383-665
• Seiko 6370-189
• Seiko 4578-490
• Seiko 5643-647