Gemsmakers

How to Set Your Moonphase Watch
Most mechanical moonphase watches (Patek, Lange, Omega) use a 59-tooth gear. This advances the disc one notch every 24 hours.

Step 1: Pull the crown to the setting position.

Step 2: Check the "Age" above (e.g., 14.2 days).

gemsmakers.com/watchmoon.php

Jewelers love selling Deep Cut diamonds (Depth > 63%) because they retain more weight from the rough stone.

The Lie: "It's a 1.2 Carat stone!"
The Truth: It has the surface area of a 1.0 Carat stone. You paid for 0.2 Carats of invisible weight.
See How 👇

gemsmakers.com/raytracer.php

Why Pilot Watches Have the Best Lume

Historically, Flieger (Pilot) watches like the Type A and Type B required massive luminosity for night missions. This is why our Pilot simulation shows fully lumed Arabic numerals.

gemsmakers.com/watchlume.php

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Jewelry making 👍

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