Seiko Cal. 6691 - 176

The Seiko 6691-176 represents an important milestone in Seiko's 1973 lineup. Powered by the 6691 caliber with 24j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-093d43f75fd8]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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