Watches | STYPPY

What Is a Solar Watch? How It Works, Pros and Cons, and Is It Worth It (2026)

October 30, 2026November 26, 2022 by STYPPY Team

A solar watch turns light into power and stores it in a rechargeable cell, so you never need a battery change. Here’s how solar watches work, how long they run in the dark, pros and cons, and popular models.

What Is a Tachymeter on a Watch and How Do You Use It? (Simple Guide With Examples)

October 30, 2026November 23, 2022 by STYPPY Team

What is a Tachymeter on a watch and how to use it?

A tachymeter is a scale on a chronograph watch that turns elapsed seconds into speed per hour. Here’s how it works, the simple formula behind it, step-by-step examples, its limits and famous tachymeter watches.