Seiko Cal. 5648 - 962

The Seiko 5648-962 represents an important milestone in Seiko's 1973 lineup. Powered by the 5648 caliber with 30j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-45ec2bb49374]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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