Seiko Cal. 5697 - 403

This Spring Drive model from 1973 features a 39mm PVD Black case. Powered by the 5697 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-bfe2df0c7f37]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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