Seiko Cal. 6639 - 714

This Quartz model from 1982 features a 38mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-6af8f3ec3a6b]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1982

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