Seiko Cal. 6631 - 517

This Quartz model from 1991 features a 37mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-0fb651442736]

Also known as: Rally, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1991

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