Seiko Cal. 6640 - 955

This Quartz model from 1998 features a 42mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-9dfd6fbfd1e7]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1998

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