Seiko Cal. 6649 - 773

The 6649-773 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6649 caliber with 32j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-6b5f1a0ebe6c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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