Seiko Cal. 6331 - 650

This Quartz model from 1984 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-68aec5ca4832]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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