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21Jewel Two-Tone Crescent Street

 
For a short time Waltham makes the 21 Jewel Crescent Street in a two-tone movement.  The first two tables below show the runs of open face and hunting case movements.  Waltham does not cease making the all nickel Crescent Street during the period that the two tone movement is being made which might suggest that they were made for a special purpose, but who knows?  They were made over a long enough period of time that they fall into different movement variations.  The table breaks down the number produced by variation. 
 
The Gray Book lists the 782001-7821000 run (open face) and the 7819001-782000 run (hunting case) as being 17-21 Jewel Crescent Streets.  The 17 Jewel Royal, also a two-tone movement and 17 Jewel two-tone Crescent Streets have also been reported from these two runs.  The 17 Jewel Crescent Street is actually an interesting adaptation made from the Royal movement and it is covered in a seperate section.  In order to determine the Number in Run (NIR) for the 21 Jewel Crescent Street, a bit of guess work has been necessary.  The third table below shows each of these runs and actual serial numbers that have been reported so you can make your own assessment as to production figures.

The serial number position (SNP) and number of barrel bridge screws are the features which determine the differences in variation. It is interesting to note that all variations of the open face 21 Jewel two-tone movement use the round hairspring stud, even those made after 10517801, when Waltham begins using the Patented Stud.  The last run of two-tone hunters uses the Patented Stud.

 Open Face Movements

 Grey Book

 Variation

Actual

 NIR Description
 Serial      
 End
 
 Serial
 End
 
 
 7820001
 7821000
 V1

 7824001

7821000

 600
 SNP2
2 Barrel Bridge Screws
 7904001
 7905000
 V1

 7904001

7905000
 1000
 SNP2
2 Barrel Bridge Screws
 10084001
 10084300
 V2

 10084001

10084300
 300
 SNP2
3 Barrel Bridge Screws
 10501001
 10501200
 V2

 10501001

10501200
 200
 SNP2
3 Barrel Bridge Screws
 11017501
 11018500
 V3

 11017501

11018500
 1000
 SNP3
3 Barrel Bridge Screws
 
 

 Hunting Case

 Variation

 Actual

 NIR Description
 Serial         End    Serial  End   

 7819001

 7820000

 V1

 7819200

 7820000

 800

 SNP2
2 Barrel Bridge Screws

 7903001

 7903200

 V1

 7903001

 7903200

 200

 SNP2
2 Barrel Bridge Screws
 12043301  12043400  V2

 12043301

 12043400

 100

 SNP3
3 BarreBridge Screwsl 
 
 
Actual movements reported   Actual movements reported
 from run 782001-7821000 O.F.    from run 7819001-7820000 Htg.
 7820005  Royal    7819004  Cres. St. 17J
 7820033  Cres. St. 17J    7819106  Royal
 7820036  Cres. St. 17J    7819147  Royal
 7820062  Cres. St. 17J    7819170  Cres. St. 17J
 7820108  Royal    7819274  Cres. St. 21J
 7820121  Royal    <21 mvts>  Cres. St. 21J
 7820127  Royal    7819982  Cres. St. 21J
 7820128  Royal      
 7820158 Cres. St. 17J   
 7820195 Royal   
 7820328  Cres. St. 17J      
 7820351  Cres. St. 17J      
 7820355  Cres. St. 17J      
 7820448  Cres. St. 21J      
<16 mvts>  Cres. St. 21J      
 7820992  Cres. St. 21J      
 
 
 
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