Seiko Cal. 0733 - 341

The Seiko 0733-341 represents an important milestone in Seiko's 1970 lineup. Powered by the 0733 caliber with 33j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-bcc1bd0b6f8e]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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