Seiko Cal. 3877 - 655

The Seiko 3877-655 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-90aac4f3a1d2]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1983

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