Seiko Cal. 6343 - 373

Released in 1971, the Cal. 6343 with design code 373 was part of Seiko's domestic market collection. Powered by the 6343 caliber with 18j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-196ee734afbf]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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