It's one variant of reference 165.002. For obvious reasons it's informally known as the Seamaster 300 companion. There's a thread here.
Happy St. Patty’s Day to all the OF people! 🍀
I’m freaking wicked smaaht today…celebrating St. Patty’s Day by wearing various green items which include:
1.Custom fabricated green multi-flash mode, light-up necklace.
2.Wife unit’s green college sorority windbreaker.
3.Green Omega polyamide NATO [with 145.022-71 Moonwatch].