Seiko Cal. 6639 - 446

This Quartz model from 1985 features a 40mm PVD Black case. It features a Cream dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-f4c9038dae6e]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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