Seiko Cal. 6637 - 763

Released in 1999, the Cal. 6637 with design code 763 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-6d102a71fcfc]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1999

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