Timemore Chestnut S3 Manual Coffee Grinder | S2C 890 Burr
Timemore Chestnut S3 Manual Coffee Grinder | S2C 890 Burr
Timemore Chestnut S3 Manual Coffee Grinder
Meet the Timemore Chestnut S3 — a precision-engineered hand coffee grinder built for espresso enthusiasts and home baristas who demand exceptional grind consistency. Featuring the advanced S2C 890 CNC stainless steel burr and an innovative external adjustment dial with an ultra-fine 0.015mm per click step size, the Chestnut S3 puts you in complete control of your grind profile — from fine espresso to medium pour-over — with remarkable repeatability every time.
Why You'll Love the Chestnut S3
- Ultra-Precise External Grind Adjustment: The easy-to-use external dial lets you fine-tune your grind setting without disassembling the grinder. Each click moves the burrs just 0.015mm for incredibly accurate and repeatable results.
- S2C 890 CNC Burr: The premium 420 stainless steel S2C 890 burr is CNC-cut and shaped for a sharp, consistent grind — whether you're dialing in a shot of espresso or brewing a balanced filter coffee.
- Premium Build Quality: Crafted from aerospace-grade aluminum alloy, durable stainless steel, and a non-slip silicone base pad, the Chestnut S3 feels solid and ergonomic in your hands.
- 30g Hopper Capacity: Perfectly sized for single or double espresso doses, making it ideal for home use and travel.
- Effortless Grinding Experience: The 163mm ergonomic folding handle delivers smooth, efficient grinding with minimal effort — even for dense, hard beans.
- 1-Year Warranty: Backed by an authorised Timemore reseller warranty for complete peace of mind.
Product Specifications
| Brand | Timemore |
| Model | Chestnut S3 |
| Burr | S2C 890 CNC Stainless Steel (420 grade) |
| Adjustment Step | 0.015mm per click (external dial) |
| Hopper Capacity | 30g |
| Body Material | Aluminum alloy + Stainless steel + Silicone pad |
| Body Size | 182mm × 55mm |
| Handle Length | 163mm |
| Warranty | 1 Year (Authorised Reseller) |
| Country of Origin | Made in Mainland China |
Who Is the Chestnut S3 For?
The Chestnut S3 is designed for coffee lovers who want café-quality espresso at home without the bulk of an electric grinder. Its external adjustment system makes it easy to switch between espresso and other brew methods without a learning curve. Whether you're a seasoned barista or an enthusiastic home brewer, the S3 delivers consistent, repeatable results cup after cup.
For more information on how grind size affects coffee quality, visit the National Institute of Standards and Technology (NIST) — a trusted resource for precision measurement standards.
Frequently Asked Questions
Q: What brew methods is the Timemore Chestnut S3 manual coffee grinder best suited for?
A: The Timemore Chestnut S3 excels at fine espresso grinds thanks to its 0.015mm/click external adjustment dial and S2C 890 burr, but its wide grind range also supports pour-over, AeroPress, and other filter brew methods. It's a versatile grinder for any home setup.
Q: How does the external grind adjustment on the Chestnut S3 work?
A: The Chestnut S3 features a convenient external dial that lets you adjust your grind setting from the outside of the grinder without disassembly. Each click moves the burrs precisely 0.015mm, giving you fine, repeatable control over grind size to dial in the perfect extraction every time.
Q: What burr does the Timemore Chestnut S3 use, and how durable is it?
A: The Chestnut S3 uses Timemore's S2C 890 burr, made from 420-grade stainless steel via CNC cutting and shaping. This burr is engineered for longevity and consistent performance, producing uniform grinds with minimal fines — ideal for espresso and specialty coffee brewing.
Q: Is this grinder suitable for travel?
A: Yes! The Timemore Chestnut S3 is compact (182mm × 55mm body) with a foldable 163mm handle, making it an excellent travel coffee grinder. Its 30g hopper capacity is perfect for single or double espresso doses on the go.