Heuer Calculator chrono

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That is the greatest most irrational bezel ever!!! It has a Pi marker! Bitchin watch!

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MikeShaw

That is the greatest most irrational bezel ever!!! It has a Pi marker! Bitchin watch!

It’s a slide rule. My dad was a petroleum engineer for Exxon and used it daily. It still had pencil marks on it when he gave it to me years later. Most people under 50 probably don’t even know how to use one these days.

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MikeShaw

That is the greatest most irrational bezel ever!!! It has a Pi marker! Bitchin watch!

I use it to calculate tips based on whatever percentage I want to give. That’s about the extent of what I can do on it.