Seiko Cal. 5688 - 991

Released in 1984, the Cal. 5688 with design code 991 was part of Seiko's domestic market collection. Powered by the 5688 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-4b53f9ee3bb4]

Also known as: Panda, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1984

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