Seiko Cal. 6640 - 542

This Quartz model from 1990 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-67943859355f]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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