Omega 232.30.42.21.01.003 (Pre-owned - Good) — USD 3,910 on eBay

The reference 232.30.42.21.01.003 represents Omega's Seamaster Planet Ocean 600M in a 42mm stainless steel configuration. This particular reference features a black dial within the Planet Ocean series, positioning it as a tool watch offering within Omega's Seamaster collection. The watch houses an automatic movement within a 42mm stainless steel case. A sapphire crystal protects the black dial, while a rotating unidirectional bezel provides timing functionality. The case construction enables water resistance to 600 meters, supporting the watch's diving capabilities. This reference appeals to collectors seeking a contemporary diving watch with substantial water resistance in a mid-size case diameter. The black dial and stainless steel construction provide a versatile aesthetic suitable for both recreational and professional use. The 42mm case size positions this reference for those preferring modern proportions within the Planet Ocean lineup.