Omega Speedmaster Two Counters 311.90.44.51.03.001 2017 [Preowned] wsta0109 The dial features luminous cut-out

The dial features luminous cut-out Arabic numerals and hour markers

the slender 37mm case is just 5

so parts availability and service infrastructure remain current

the 24-hour GMT hand is green

37mm  Bracelet / Strap :  Alligator leather Strap  Features :  30m depth rating

Omega Speedmaster Two Counters 311.90.44.51.03.001 2017 [Preowned] wsta0109 The dial features luminous cut-outOverview The classic Speedmaster Professional runs three subdials; the 311. 90. 44. 51. 03. 001 runs two. That structural difference is not cosmetic: the bicompax layout has distinct historical roots in Swiss chronograph design, and the Two Counters presents it with the Calibre 9300, a Co Axial movement that departs significantly from the Moonwatch's manually wound lever escapement. For a buyer who knows the Speedmaster range, this is the reference