OMEGA | SPEEDMASTER REFERENCE 2998-1 A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1959" | 奧米茄 | Speedmaster 型號2998-1 精鋼計時鏈帶腕錶，機芯編號17301483，約1959年製"

The successor to the 2915, the first Speedmaster reference was introduced in 1957, with the 2998 adopting a black aluminum bezel, as well as the luminous Alpha hands that were used at the end of the previous generation. The case back also moved the ‘Speedmaster’ moniker to the center, and accompanied the hippocampus and Omega logo. From 1959 until 1962, the 2998 was in production, and became the first reference of the Speedmaster to travel to space on the wrist of ‘Wally’ Shirra in 1962. 

The present example is in wonderful original condition and the lumes have all aged consistently to a warm orange.