Some specifications for this reference are on file; the record is incomplete.
Rolex · Datejust
Datejust 31
Ref. 178240
discontinuedMid-size 31Partially documentedLast reviewed Not yet reviewed
Missing informationCore fields not yet documented for this reference: Water resistance, Dial
Reference photography not yet on file
At a glance
- Brand
- Rolex
- Collection
- Datejust
- Reference
- 178240
- Production
- 2009–2018
- Caliber
- 2235
- Case diameter
- 31mm
- 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.