Timemore Chestnut S3

How to read the dial

Clicks from zero, e.g. 60. The ring covers the whole range in one turn.

Zero: factory-calibrated: 0 clicks = 0.075 mm burr gap

Timemore says the dial can be read to 0.1 of a click; settings here use whole clicks.

Good to know

• 15 um per click and the 0.075 mm gap at 0 clicks are Timemore's figures. Timemore warns that pressing down on the handle can shift the shaft and cause light burr rub at 0.
• Honest Coffee Guide's S3 page uses a 0-9 scale (330-1110 um) and puts V60 at 0.9-4.2. It does not match Timemore's 90-click chart, so it is not used here.
• The external ring turns easily; several owners report bumping it while grinding. Check the setting before each grind.
• Burr size 42 mm, capacity 30 g, weight 798 g and size 55 x 182 mm are from Eight Ounce Coffee's listing; Timemore's page does not state them. Cremashop lists capacity as 20-25 g.
• zero_offset_um is an estimate.

Sources

• Timemore Chestnut S3 product page
• Eight Ounce Coffee: Chestnut S3 (CAD, specs)
• Honest Coffee Guide: Timemore S3 grind settings