Seiko Cal. 5256 - 648

The Seiko 5256-648 represents an important milestone in Seiko's 1983 lineup. Powered by the 5256 caliber with 19j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-38b151864134]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1983

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