Seiko Cal. 5687 - 122

The Seiko 5687-122 represents an important milestone in Seiko's 1968 lineup. Powered by the 5687 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ef38303dcc2c]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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