Seiko Cal. 6649 - 916

This Spring Drive model from 1974 features a 39mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-b64ebe280169]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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