Seiko Cal. 3880 - 556

The Seiko 3880-556 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2ecc3771b5ff]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1965

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