Assertion: sigma dial | /r/AtLocation | rolex watches
Facets:
value: from the late 1960s
type: TEMPORAL
value: sometimes
type: TEMPORAL
Source sentences:
text: Sigma dials can be found on Rolex watches dating from the early 1970s until the latter part of the decade; however they can sometimes be found on Rolex watches from the late 1960s, as the “Sigma” symbol was being used by certain dial manufacturers before it became officially adopted in the early 1970s .
text: Sigma dials can be found on Rolex watches dating from the early 1970s until the latter part of the decade; however they can sometimes be found on Rolex watches from the late 1960s, as the “Sigma” symbol was being used by certain dial manufacturers before it became officially adopted in the early 1970s .