TIMEMORE Chestnut C3S Pro Manual Coffee Grinder - Durable Precision

Our review of the TIMEMORE Chestnut C3S Pro finds it best suited for home brewers and travelers who want a reliable hand grinder with precise control. The single biggest reason to buy is its upgraded full metal aluminum body combined with the patented S2C hexagonal conical burr, which together deliver durable build quality and consistent grind size for pourover, espresso-adjacent fine grinds, and stovetop makers. For those who value portability and repeatable results, this grinder strikes a strong balance between performance and convenience.

Key Features

• Full metal aluminum body: The C3S Pro uses an all-metal aluminum alloy shell that improves durability and helps dissipate heat during longer grinding sessions to protect bean flavor.
• S2C patent conical burr: The S2C660 hexagonal conical burr, CNC machined to 55-58HRC, produces uniform particles while minimizing excess fines for more consistent extraction.
• Foldable crank handle: The handle folds down for compact storage and travel, making the grinder simple to pack for camping or small kitchens.
• Smooth, labor-saving action: A built-in bearing keeps the handle turning smoothly and reduces required force, which is helpful for multiple doses or small hands.
• Adjustable precise coarseness: About 36 incremental settings let users dial in grind size from fine to coarse by rotating the adjustment nut.
• Easy to clean and carry: The grinder disassembles for brushing and the lightweight yet solid construction balances portability with a premium feel.

Who It's For

The C3S Pro is aimed at coffee enthusiasts who want a portable manual grinder that does more than a basic travel mill. It suits people who make single-serve brews, use a Bialetti or small espresso-adjacent devices, or travel and camp with beans because the foldable handle and solid case travel well.

It is less appropriate for those who need large daily capacity or an electric grinder for high-volume use; the compact hopper holds roughly 20-22 g of beans per customers, so anyone grinding many doses per day should look for a larger grinder.

Pros & Cons

Pros

• Excellent build quality from the full metal body that feels durable and premium.
• Consistent grind distribution thanks to the S2C patent conical burr and precise adjustment.
• Portable design with a foldable handle and smooth bearing-assisted rotation for easy hand grinding.
• Simple to disassemble and brush clean for routine maintenance.

Cons

• Limited hopper capacity around 20-22 g means multiple refills for larger servings.

Specifications

Model	TIMEMORE Chestnut C3S Pro
Body material	Full metal aluminum alloy
Burr type	S2C660 hexagonal conical burr, 55-58HRC
Grind settings	Approximately 36 adjustable levels
Handle	Foldable crank with built-in bearing
Typical capacity	About 20-22 g beans

Our Verdict

The TIMEMORE Chestnut C3S Pro is a strong choice for travelers and home brewers who want a compact grinder that does not compromise on consistency or build quality. Its all-metal construction, precise S2C burr, and smooth folding handle deliver reliable performance and good value for anyone grinding single doses or small amounts regularly.

Frequently Asked Questions

How many cups can it grind per fill?
The hopper holds roughly 20-22 g of beans, which is enough for about a 2-3 cup stovetop pot or a single larger pour-over, so expect to refill for multiple servings.

Is it easy to adjust grind size for different brew methods?
Yes, the adjustment nut offers about 36 increments so users can dial from fine to coarse for espresso-adjacent, pour-over, and French press ranges.

Can it be taken camping and cleaned easily?
Yes, the foldable handle and lightweight metal body make it travel-friendly, and the unit disassembles for brushing to keep the burrs clean.