Hamilton caliber H-21 [Date]
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Brand: | Hamilton |
---|---|
Reference: | H-21 [Date] |
Base: | ETA 7750 |
Movement: | Automatic |
Display: | Analog |
Diameter: | 30.00 |
Jewels: | 25 |
Reserve: | 60 |
Frequency: | 28800 |
Date: | Date |
Chronograph: | Chronograph |
Hands: | Hours, Minutes, Small Seconds |
H-21 [Date] description
The Hamilton H-21 is based on the Valjoux 7750. The H-31 is similar though based on the 7753. These movements most notable change compared to the standard version is the 60 hour power reserve.
The following elements have been modified:
- The entire kinematic chain has been refined, from the barrel to the escapement
- The escapement regulator has been suppressed, facilitating optimal reliability and precision
- The main spring has been improved to increase a typical power reserve of 60 hours.
All watches using the Hamilton H-21 [Date] movement:
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black / Bracelet (H32616133)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32616133-8.jpg)
H32616133
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black / Bracelet
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black / Bracelet (H32596131)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596131-49.jpg)
H32596131
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black / Bracelet
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black (H32596731)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596731-ec.jpg)
H32596731
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Black
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Silver / Bracelet (H32596151)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596151-4d.jpg)
H32596151
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Silver / Bracelet
![Hamilton Jazzmaster Chronograph Automatic 42 Stainless Steel / Silver (H32596751)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596751-d5.jpg)
H32596751
Hamilton Jazzmaster Chronograph Automatic 42 Stainless Steel / Silver
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Silver (H32596551)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596551-97.png)
H32596551
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Silver
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Blue / Bracelet (H32596141)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596141-17.jpg)
H32596141
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Blue / Bracelet
![Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Blue (H32596741)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h32596741-72.jpg)
H32596741
Hamilton Jazzmaster Automatic Chronograph 42 Stainless Steel / Blue
![Hamilton Railroad 44 Chrono Stainless Steel / Black / Bracelet (H40656131)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h40656131-32.jpg)
H40656131
Hamilton Railroad 44 Chrono Stainless Steel / Black / Bracelet
![Hamilton Railroad 44 Chrono Stainless Steel / Silver / Bracelet (H40656181)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h40656181-39.jpg)
H40656181
Hamilton Railroad 44 Chrono Stainless Steel / Silver / Bracelet
![Hamilton Railroad 44 Chrono Stainless Steel / Black (H40656731)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h40656731-29.jpg)
H40656731
Hamilton Railroad 44 Chrono Stainless Steel / Black
![Hamilton Railroad 44 Chrono Stainless Steel / Silver (H40656781)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-jazzmaster/h40656781-26.jpg)
H40656781
Hamilton Railroad 44 Chrono Stainless Steel / Silver
![Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Silver (H32416581)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-men/h32416581-81.png)
H32416581
Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Silver
![Hamilton Jazzmaster Auto Chrono 42 Rose Gold / Grey (H32546781)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32546781-d5.png)
H32546781
Hamilton Jazzmaster Auto Chrono 42 Rose Gold / Grey
![Hamilton Spirity of Liberty Chronograph Automatic (H32416781)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-men/h32416781-ee.png)
H32416781
Hamilton Spirity of Liberty Chronograph Automatic
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey (H32596781)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32596781-5c.png)
H32596781
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey / Bracelet (H32596181)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32596181-d1.png)
H32596181
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey / Bracelet
![Hamilton Spirit of Liberty Chronograph Automatic Bracelet (H32416981)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-men/h32416981-a0.png)
H32416981
Hamilton Spirit of Liberty Chronograph Automatic Bracelet
![Hamilton Spirity of Liberty Chronograph Automatic Gold Bracelet (H32416181)](https://cdn.watchbase.com/watch/md/hamilton/american-classic-men/h32416181-5c.png)
H32416181
Hamilton Spirity of Liberty Chronograph Automatic Gold Bracelet
![Hamilton Pioneer Auto Chrono 44 Stainless Steel / Silver (H77706553)](https://cdn.watchbase.com/watch/md/hamilton/khaki-navy/h77706553-3f.png)
H77706553
Hamilton Pioneer Auto Chrono 44 Stainless Steel / Silver
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue (H32586541)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586541-9b.jpg)
H32586541
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue / Bracelet (H32586141)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586141-69.jpg)
H32586141
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue / Bracelet
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue (H32586641)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586641-8c.jpg)
H32586641
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Blue
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey (H32586881)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586881-7e.jpg)
H32586881
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey / Bracelet (H32586181)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586181-63.jpg)
H32586181
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Grey / Bracelet
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Silver (H32586511)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586511-10.jpg)
H32586511
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Silver
![Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Silver / Bracelet (H32586111)](https://cdn.watchbase.com/watch/md/hamilton/jazzmaster/h32586111-bf.jpg)
H32586111
Hamilton Jazzmaster Auto Chrono 42 Stainless Steel / Silver / Bracelet
![Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Blue (H32416541)](https://cdn.watchbase.com/watch/md/hamilton/spirit-of-liberty/h32416541-1.jpg)
H32416541
Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Blue
![Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Black / Bracelet (H32416131)](https://cdn.watchbase.com/watch/md/hamilton/spirit-of-liberty/h32416131-f0.jpg)
H32416131
Hamilton Spirity of Liberty Auto Chrono Stainless Steel / Black / Bracelet