Apple have attempted to destroy these hence damage. I believe the actual chipsets are fine. They have DV markings and barcodes. Serial numbers show up as invalid
4x Apple Watch (A1553) - 2015 Apple “DVT” Internal Prototype Units S1 SOC
5x Apple Watch (38mm A1553) - 2015 Apple “DVT” Internal Prototype Units S1 SOC
Apple Watch (38mm A1553) - 2015 Apple “DVT” Internal Prototype Unit - S1 SOC
24ct Gold Plated Steel Apple Watch 38mm Smart Gold Links Band Milanese Loop 24K
