Seiko Cal. 5649 - 513

The 5649-513 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5649 caliber with 27j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-4ca2ce327f3a]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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