Seiko Cal. 4487 - 835

The 4487-835 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-cccf214ee09e]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1979

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