Seiko Cal. 6636 - 549

This Spring Drive model from 1982 features a 41mm Hardlex-Coated Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e14001791eb8]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1982

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