Seiko Cal. 3877 - 640

This Spring Drive model from 1991 features a 35mm Gold-Plated case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6fdd1daa59b1]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1991

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