Seiko Cal. 4487 - 380

Seiko 4487-380

The Seiko 4487-380 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-871a3b8cdecd]

Also known as: World Timer, Flighty

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
29j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

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