Seiko Cal. 6641 - 100

This Quartz model from 1989 features a 35mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-84470e51b55b]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

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