Seiko Cal. 0733 - 280

The Seiko 0733-280 represents an important milestone in Seiko's 1973 lineup. Powered by the 0733 caliber with 18j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-5b68e1ded66b]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1973

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