Seiko Cal. 6639 - 278

This Quartz model from 1986 features a 43mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e56d4934bde1]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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