Seiko Cal. 3887 - 518

Released in 1977, the Cal. 3887 with design code 518 was part of Seiko's domestic market collection. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8677ac18facc]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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