Seiko Cal. 6688 - 431

The Seiko 6688-431 represents an important milestone in Seiko's 1996 lineup. Powered by the 6688 caliber with 19j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-68d38ada1858]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1996

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