Some specifications for this reference are on file; the record is incomplete.
Omega · Speedmaster
Speedmaster Professional Moonwatch
Ref. CK2915 — “Broad Arrow”
Reference photography not yet on file
The original 1957 Speedmaster with broad-arrow hands and a steel tachymeter bezel. Extremely rare and heavily faked; provenance is essential.
At a glance
- Brand
- Omega
- Collection
- Speedmaster
- Reference
- CK2915
- Production
- 1957–1959
- Caliber
- 321
- Case diameter
- 39mm
- Case material
- Stainless steel
Related references
Reference family timeline
Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.
- 1957–1959This reference
- CK2998
Speedmaster Professional Moonwatch · 321
1959–1962 - 1963–1969
- 105.012
Speedmaster Professional Moonwatch · 321
1964–1968 - 145.012
Speedmaster Professional Moonwatch · 321
1967–1968 - 145.022
Speedmaster Professional Moonwatch · 861
1968–1988Transitional - 3590.50
Speedmaster Professional Moonwatch · 861
1988–1996 - 3570.50
Speedmaster Professional Moonwatch · 1861
1996–2014 - 311.30.42.30.01.005
Speedmaster Professional Moonwatch · 1861
2014–2021 - 310.30.42.50.01.001
Speedmaster Professional Moonwatch · 3861
2021– - 310.30.42.50.01.002
Speedmaster Professional Moonwatch · 3861
2021–