Hardware design · July 2025
The price of losing the charging pins.
Two historical cost tables for wireless charging, sealing and production testing.
Two cost studies from July 2025. These are archival estimates, not current supplier quotes, validated manufacturing instructions or evidence of a completed redesign.
The working material
2 artefacts · read or download
- 01Charging and sealing: the engineering estimateHistorical estimate↗
English translation of the Portuguese source. July 2025 AI estimate. The listed component ranges do not reconcile with every headline total. No supplier quotation or built device is established.
- 02Testing at 10,000 watches per yearHistorical estimate↗
English translation of the Portuguese source. Original cost table and assumptions only. Test suitability, labour rates and unit costs were not validated; the later purchasing advice is omitted.