Seiko Cal. 4487 - 890

The Seiko 4487-890 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-52a8374f4cbc]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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