Seiko Cal. 6649 - 238

The Seiko 6649-238 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f0aa18f879d6]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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