Seiko Cal. 6631 - 269

Released in 1975, the Cal. 6631 with design code 269 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-91eb4c474dfd]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

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