Blastoise F-91W
2026A clear-resin F-91W with a Blastoise card behind the display
- Casio F-91W
- Module 593
Hand-built watches and mods
A collection of watches I've built, and step-by-step guides for doing the work yourself.
Latest tutorials
All tutorialsBuild a blue VK63 Speedmaster homage
Assemble a blue-and-white chronograph from a VK63 movement, dial, case, hands and rubber strap.
Add a custom background to a Casio F-91W
Replace the silver reflector behind the LCD with your own printed image for a one-of-a-kind F-91W display.
Building an Explorer homage from parts
A full build from a boxed movement to a watch on your wrist, using parts anyone can order. No donor watch and no lathe required.
Latest articles
All articlesQuartz equivalents for common NH movements
Quartz movements with the same basic functions as the NH35, NH36, NH38, NH34 and NH39, along with the important fit differences.
Choosing between NH movements
A look at the NH35, NH36, NH38, NH34 and the rest of the family—and how to choose the right one for your dial.
Custom builds
I take on a small number of commissions. Send me a watch you already own or start from scratch; either way you'll see photographs at each stage before the case goes back together.