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Omega 311.30.42.30.01.005

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CHRONEXT – Certified Original
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Omega Ref. 311.30.42.30.01.005: Classic Hesalit-Moonwatch

The Omega reference numbers have become longer and longer over the decades: The first Omega Speedmaster had the reference CK 2915, later the references became six-digit (e.g. ST 145.022), then eight-digit (e.g. 3570.50.00). Since 2014 the 14-digit reference 311.30.42.30.01.005 is on the market. Behind this is nothing less than the current version of the classic Omega Speedmaster Professional Moonwatch with Hesalit, i.e. Plexiglas. At CHRONEXT you will find the most popular models for immediate delivery. Free shipping included.

The reference 311.30.42.30.01.005 in detail

The current 14-digit Omega reference numbers follow the so-called PIC-14 system. Omega Ref. 311.30.42.30.01.005 follows the fixed scheme AAA.BB.CC.DD.EE.FFF and has the following meaning:

  • 311: Collection code (311 = Speedmaster)
  • 30: Material of case and band (30 = steel/steel)
  • 42: Diameter (= 42 millimetres)
  • 30: Caliber and complications (= Cal. 1861, chronograph)
  • 01: Colour of dial and if applicable stone setting (= black)
  • 005: Model-specific code (= Hesalite glass)
Omega Ref. 311.30.42.30.01.005:

Buy from CHRONEXT

At CHRONEXT you can not only buy luxury watches like the Omega Ref. 311.30.42.30.01.005 but also sell them. When you buy, you benefit from our 24-month CHRONEXT warranty, which we give on new as well as used and vintage luxury watches. If you wish to sell a model, our team will be happy to assist you and advise you by phone, e-mail or live chat. Alternatively, you can simply fill out our online form, and we will get back to you within a short time.

The current classic

Omega Speedmaster Ref. 311.30.42.30.01.005

The Omega Ref. 311.30.42.30.01.005 is a very special reference, as it is the classic Omega Speedmaster Professional Moonwatch, which has been produced in almost unchanged form for decades.

While nearly all watch manufacturers have over time started to equip all models with scratch-resistant sapphire crystals, Omega still produces the classic hand-wound Moonwatch with Hesalite glass in addition to a sapphire glass Moonwatch (Ref. 311.30.42.30.01.001). The Hesalit-Moonwatch with the reference 311.30.42.30.01.005 is still the only wristwatch that has NASA certification for so-called EVA missions (Extra Vehicular Activities).