Seiko Cal. 5648 - 768

The 5648-768 is a sought-after Solar piece from Seiko's golden era. Powered by the 5648 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-5edf66cafe27]

Also known as: Goldfeather, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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