Seiko Cal. 6697 - 639

The 6697-639 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6697 caliber with 25j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-ae26a989fb6e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1991

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