Herschede & Revere watches age determination by movement number
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In 1929, Herschede sold both mechanical and electric clocks. The quality of the materials and workmanship were the same for both types of clocks: no expense was spared!
Collectors will be surprised to learn that mechanical clocks were originally cheaper than electric ones. The electric motor winds a small mainspring, which sets the pendulum in oscillation.
The motor also powers the carillon and striking mechanism. A system of cams and levers ensures that two gears engage the center wheel when the carillon begins and disengage when it ends. The same applies to the striking mechanism.
Although this differs from conventional mechanical carillon and striking mechanism designs, repairing and adjusting these mechanisms is straightforward. Revere clocks were similar to Herschede clocks, but lacked a pendulum or balance wheel:
Timekeeping was done by an electric motor, which in turn was controlled by the power frequency. This meant that the time would be displayed incorrectly in the event of a power outage. While Herschede clocks ran for about 24 hours without power, Revere clocks remained stopped until the power was restored.
For this reason, Revere clocks were not sold under the Herschede name. The design of the mechanisms was based on the mechanical Herschede clocks and shared some parts and design features. Cases, dials, hands, chimes, and tubular bells were all of the same exquisite quality.
Year Serial Number
1911 001-066
101-141
151-200
214-234
243-246
1912 067-100
142-150
201-213
235-242
247-400
1913 401-536
551-602
1001-1491
1914 537-550
603-816
1492-1802
1853-2302
1915 817-1000
1803-1852
2303-2600
2666-2670
2901-3218
1916 2601-2604
2769-2792
2806-2847
3219-4233
1917 2605-2664
2671-2750
2793-2801
2848-2900
4234-5122
5232-5556
7361-7445
1918 2751-2768
2802-2805
5123-5231
6555-7056
7338-7360
1919 7057-7337
7455-7466
7476-7535
7801-8800
1920 6057-6554
7476-7475
7701-7800
8801-10350
10459-10477
10651-10760
10851-11900
12401-12600
12651-12800
1921 7446-7454
7536-7559
10401-10425
10901-11950
12351-12400
12601-12650
12801-12850
13001-13500
15001-15117
15801-16204
1922 10363-10400
10426-10450
10478-10500
10761-10813
12077-12100
12156-12266
12851-12950
13501-13732
14017-14150
15118-15350
16205-16669
1923 7665-7700
10351-10354
10501-10534
11951-12076
12101-12155
12268-12350
13733-14016
14151-15000
15351-15800
16670-17600
18001-18450
18501-19000
19101-20500
21701-22500
24701-24850
1924 10355-10362
12951-13000
17601-18000
18451-18500
19001-19100
20501-21780
22501-23400
23501-24700
24851-30000
36001-36350
1925 7560-7664
10535-10555
10814-10850
23401-23500
30001-32000
32051-32100
32122-32200
32299-32415
32422-32486
32513-32750
33001-34000
35501-36000
36351-38400
1926 10451-10457
32001-32009
32106-32121
32201-32298
32490-32503
32490-32503
32751-33000
34002-34004
34008-34029
34034-34035
34101-34121
34257-34258
34268-34272
34282-34283
34286-34290
34294-34297
34302-34304
34313-34316
34323-34324
34327-34329
34363-34366
34477-34480
35101-35300
1927 10566-10575
32010-32029
32417-32441
34013-34014
34025-34027
34039-34040
34045-34049
34370-34372
34395-34398
35001-35100
35201-35500
1928 32030-32050
32504-32505
79,101-99,900
1929 32101-32105
32506-32512
99901-123500
1932 250001-255700
1933 255701-261000
1934 113,001-215,600
261001-269381
1935 271382-285268
1936 285269-298323
1937 298725-313243
1938 313244-315745
1939 316247-325376
1941 347103-361368
1942 362135-394133
1945 386000-407326
1946 401077-424068
1947 424069-489768
1948 105552-130576
391000-506000
1949 130577-151226
1950 151227-163478
521536-539535
1951 163479-175658
539536-558535
1952 175659-187908
558536-564535
1953 187909-194158
564536-603965
1955 589036-595035
1956 595036-603965
1958 603966-604174
1959 604501-6050000
1961 605001-605843
1963 605895-611902
1964 612446-616882
1965 616904-617402
1966 617403-620403
1967 620404-623403
1968 623404-625903
Source: Michael P. Murray and Mike's Clock Clinic, antiqueclockpriceguide.com