Seiko Cal. 6683 - 455

The Seiko 6683-455 represents an important milestone in Seiko's 1990 lineup. Powered by the 6683 caliber with 23j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-cafa3ce6fa13]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1990

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