Seiko Cal. 6697 - 722

The Seiko 6697-722 represents an important milestone in Seiko's 1991 lineup. Powered by the 6697 caliber with 20j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-b710694fcae8]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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