Below you can find the direct links to the Apple Watch Firmware Files for every released firmware version.
Please note that currently Apple has just released OTA (Over-the-Air) delta software updates. If the company ever posts full ipsw files, we will link them below as well.
Full List (OTA):
1.0.1 (38mm) - Build 12S632 (Prereq: 12S507) - ea77d361ba59b2c2be3b9dcc374d24a2b4785939.zip
1.0.1 (42mm) - Build 12S632 (Prereq: 12S507) - ef1698762f16905b888edc89f5cfd3f7a2c98c49.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S502) - f3413e6cf7588cf2cd19118ea334631f849e342e.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S502) - 24fabb43963f1af9d43e936d2f94991f56beb64c.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S503) - a422e27960044052dfcb31816337faf7b4ad4aeb.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S503) - 739967560163d659c6ecb362ef9700f7668dc889.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S504) - 651871c719d9192693a3c9a866edae880bb40dd4.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S504) - b2a3f4e878be8f2d8a844b4bea4d5488d9948fb6.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S505) - 9c213a15e22e51c9c7c0f0439d0b121eece66fbb.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S505) - 4b9abf3a8349c7c2dee772a011abe81e3ec6edd9.zip

Please note that currently Apple has just released OTA (Over-the-Air) delta software updates. If the company ever posts full ipsw files, we will link them below as well.
Full List (OTA):
1.0.1 (38mm) - Build 12S632 (Prereq: 12S507) - ea77d361ba59b2c2be3b9dcc374d24a2b4785939.zip
1.0.1 (42mm) - Build 12S632 (Prereq: 12S507) - ef1698762f16905b888edc89f5cfd3f7a2c98c49.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S502) - f3413e6cf7588cf2cd19118ea334631f849e342e.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S502) - 24fabb43963f1af9d43e936d2f94991f56beb64c.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S503) - a422e27960044052dfcb31816337faf7b4ad4aeb.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S503) - 739967560163d659c6ecb362ef9700f7668dc889.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S504) - 651871c719d9192693a3c9a866edae880bb40dd4.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S504) - b2a3f4e878be8f2d8a844b4bea4d5488d9948fb6.zip
1.0.0 (38mm) - Build 12S506 (Prereq: 12S505) - 9c213a15e22e51c9c7c0f0439d0b121eece66fbb.zip
1.0.0 (42mm) - Build 12S506 (Prereq: 12S505) - 4b9abf3a8349c7c2dee772a011abe81e3ec6edd9.zip



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