1Zpresso J-Ultra Manual Coffee Grinder edges out TIMEMORE Chestnut C3s, 8.5 to 8.2. It wins on performance, build & reliability, community love, while the Chestnut C3s is stronger on ease of use and value.
Side by side
Every detail, compared.
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- • Espresso drinkers who want top-tier grind quality without an electric grinder
- • Manual lever and travel espresso setups
- • Single-dosers who dial in light roasts
- • A first quality hand grinder on a tight budget
- • Pour-over and AeroPress brewers who travel
- • Backup or office grinder
- 8-micron external steps give extremely fine espresso control
- Balanced, full-bodied, clean espresso in reviewer tests
- Very low retention (about 0.1 g on an 18 g dose)
- All-metal aluminum body and 38 mm stainless S2C burrs for $89
- Clear, well-rounded filter cups for the price
- Compact and light enough for travel
- Manual grinding takes about 35–55 seconds per espresso dose
- Fine steps make switching between roasts or brew methods easy to lose track of
- Coarse steps (about 83 microns per click) make espresso hard to dial
- Internal dial is less convenient than an external adjuster
FAQ
Quick answers.
Which is better, J-Ultra Manual Coffee Grinder or Chestnut C3s?
1Zpresso J-Ultra Manual Coffee Grinder edges out TIMEMORE Chestnut C3s, 8.5 to 8.2. It wins on performance, build & reliability, community love, while the Chestnut C3s is stronger on ease of use and value.
Which costs less per unit?
1Zpresso J-Ultra Manual Coffee Grinder works out to about $199 and TIMEMORE Chestnut C3s to about $89.00, based on typical retail prices when we last checked.
How do you score them?
Both are scored on the same five-factor rubric — weighted for flavor or performance, quality, value, sourcing or build, and community sentiment — using public specs, verified creator reviews and community consensus.