Seiko Cal. 6637 - 326

The Seiko 6637-326 represents an important milestone in Seiko's 1985 lineup. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-f1e12d6adad3]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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