Jewels of the Sea: Omega Unveils Seamaster 300 Models with Mineral Dials

Omega, which famously incorporated actual lunar meteorite into the dial of its 50th Anniversary Speedmaster Moonwatch, has turned to some rare and precious materials found right here on Earth for the dials of two recently released pieces in its Seamaster 300 collection. One combines a lapis lazuli dial with a platinum-gold case, the other a malachite dial with an 18k yellow gold case.

Omega Seamaster 300 - Lapis Lazuli dial CU
Omega Seamaster 300 with lapis lazuli dial and platinum-gold case

The blue-hued dial of the first model is made of the semi-precious stone lapis lazuli, composed mainly of the mineral lazurite and prized since antiquity for its dazzling ultramarine color. Used by royal dynasties in ancient Egypt, which carved and polished into statues and other objects, its color was once described by Marco Polo as “the finest azure in the world.” Its 41-mm case, made of the alloy platinum-gold, has a bezel ring in polished blue ceramic; the bezel’s traditional dive scale is executed in platinum Liquidmetal. The hands are in 18k white gold and the leather strap harmonizes with the blues of the dial and bezel.

Omega Seamaster 300 lapis lazuli - front
The blue ceramic bezel insert has a platinum Liquidmetal dive scale.

The dial of the second new Seamaster 300 projects the radiating green tones of malachite, a gemstone used for centuries in the decoration of sacred temples, palaces, and churches and appreciated for its vibrant, verdant green colors. Omega sourced the malachite for this dial from South Africa, one of several African countries where some of the finest malachite is mined today. The case (also 41 mm) is made of yellow gold, something of a rarity in the watch world these days, as are the faceted hands and the rotating divers’ bezel. The insert on the bezel is here made of polished green ceramic with a Ceragold dive scale. The matching dark green leather strap completes the package.

Omega Seamaster 300 Malachite - reclining
Omega Seamaster 300 with malachite dial

Both new watches are equipped with Omega’s Master Chronometer Caliber 8913, a self-winding co-axial movement with 39 jewels, a 25,200-vph balance frequency, and a 60-hour power reserve. Like all Omega’s Master Chronometer calibers, it boasts a high degree of precision and antimagnetic properties and has been certified for its chronometric performance by the Swiss Federal Institute of Metrology (METAS). Prices are $48,000 for the lapis lazuli dial and $26,500 for the malachite dial.

Omega Seamaster 300 Malachite - dial CU
Yellow gold hands match the precious metal of the case.


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  1. Charlie walker

    I absolutely love this watch especially the malachite dial, however this seems to be 20k above my price limit are there any similar watches I might be interested in ?

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