
Seth Thomas's highest grade was the Model 5 Maiden Lane, named for the company's street address in New York City and offered in jewel counts up to twenty-five. The first runs had incredible patterns with no two alike, changing on consecutive movements, but toward the end of production in 1911 the factory had clearly decided on a single pattern.
The watches logged in the Maiden Lane SN Table are all reported examples or verified from photos.
These charts are for public use and for personal research, not for the Pocket Watch Database to plagiarize.

Maiden Lane was an actual location, a street in Lower Manhattan in New York City close to the Brooklyn Bridge, where many watch companies had offices. Seth Thomas occupied 51 Maiden Lane (and apparently #49 too), printing it on advertisements and letterheads. It was one of the first streets in the city to be illuminated by gas lamps and was regarded for years as the center of the jewelry district.

Between 1,025 and 1,050 Maiden Lanes were produced in four jewel counts of 17, 21, 24 or 25, and all were lever-set with two-tone plate finishes and either chamfered or conical screws. Diamond cap stones were added to the balance wheel halfway through the second-to-last SN block, with the company address being marked on the barrel bridge at around the same time. All of the early variants were simply marked Adjusted, regardless of jewel count, with position counts starting at around SN 209780. The double-roller table feature debuted at SN 350101, giving the 25-jewel Maiden Lane three different variants.

The standard dial on any Maiden Lane was a double-sunk Arabic one with red 5-minute subs; no Roman dials were used since these watches were considered railroad-grade. Upgrades to the basic dial would be one with the Gothic signature instead of the usual block font, train tracks at the edge, a 24-hour inner chapter or a rare Montgomery dial.
Maiden Lane hands were a slender version of the standard #1282 hands and reserved for only the highest of grades; no factory part number is known. The seconds hand is a standard one that was used throughout.

There are nine reported (seven verified) private labels, having similar patterns and jewel counts as the surrounding examples. Whether they can technically be called a Maiden Lane is open for debate, but the consensus is that it must be clearly marked to be one. To see all of the known private label Maiden Lanes, scroll back up to the charts section.
For the full list of all logged private labels, click the button below.
Between 1,025 and 1,050 Maiden Lanes were produced in four jewel counts, with the rarest being the 17-jewel variant, and although the 25-jewel variant had the highest jewel count it was the most common. The highest-known Model 5, serial number 351716, is a 25-jewel Maiden Lane.
Type in your jewel count from the Lookup above for the number of runs and the approximate total produced. There are differences in the number of adjustments and the type of roller table, so for a breakdown of these scroll back up and click on the Grade Totals chart.

Earliest known Maiden Lane in any count

Jewel count not marked

Earliest known 21-jewel variant

Jewel count not marked

Jewel count now marked

Note the jewel count - letter J only

Third and final 21-jewel variant

Earliest known count spelled out

Jewel count spelled out from now on

Now marked for positions

Highest-grade single-roller variant

Patterns now identical with double-roller

The jewel count of the Maiden Lane started at seventeen, quickly rose to twenty-one and then to twenty-four, before peaking at twenty-five. The first four blocks of 25-jewel variants were all runs of a hundred and the last full block was a run of three hundred from SN 351001 to 351300; SN 351298 is the highest recorded 25-jewel example from that run.
At that point the factory apparently decided to reboot the 21-jewel variant, but at the same asking price as the higher count, given the period advertisements. SN 351301 and SN 351303 are the only known 21-jewel examples in that run, however big it was, before a large gap of nearly four hundred numbers appears in the data. At SN 351701 the factory returned to the 25-jewel variant, making at most a couple dozen movements, with SN 351716 being the highest-known Maiden Lane.

SN 351301 and SN 351303 both have the same attributes as the surrounding 25-jewel variants, specifically the factory address on the barrel bridge and diamond cap jewels on both ends of the balance. Note that the regulator has a chamfered edge and is the correct one.
Specific dates are hard to nail down, since there is so little surviving paperwork. The only known advert for the 17-jewel Maiden Lane is an S F Myers & Co catalog from either 1894 or 1895. The 1895 Seth Thomas trade sheet shows the Maiden Lane, but with a jewel count of twenty-one.
Type in the serial number to see when yours was made. All date returns are based on catalogs and period advertising.

The company's earliest high-grade Model 5 was the 21-jewel nickel Grade 260, marked as to grade, count and six adjustments, debuting at SN 205401 in a run of a hundred. The Maiden Lane immediately followed at SN 205501 as a two-tone 17-jewel movement, unmarked as to count and simply marked Adjusted, also in a run of a hundred.
It was long assumed that the run was unbroken, all 17-jewel, until SN 205597 surfaced, which had twenty-one jewels, still unmarked as to the count, but clearly with the pallet and the escape capped, meaning that it was a mixed run. Fourteen 17-jewel examples have been reported, starting with SN 205505 and ending with SN 205575. Since the 21-jewel Grade 260 predated the Maiden Lane it made sense that the jewel count would necessarily follow on what would end up being the highest grade of all in terms of jewel count.
The pendant-set 22-jewel SN 205576 has almost certainly been altered from a standard 21-jewel lever-set variant. Two things are immediately obvious in this movement photo. The first is the diamond cap jewel on the balance, which was not present in any other reported examples in the first eight runs and would not become standard equipment until halfway through the ninth run somewhere around SN 351150. The second and more obvious issue is the barrel jewel, which raises the count by one and could be installed easily. All of the later 25-jewel Maiden Lanes had barrel jewels, of course, and the three-screw mount never changed from an inverted isosceles triangle with the two upper screws in parallel with the text on the barrel bridge. The barrel jewel screws on SN 205576 are rotated so as to miss all of this text.

The pendant-set mechanism on the Model 5 debuted at SN 229801, years after this Maiden Lane was produced, and it was a big departure from the design submitted to the US Patent Office. The eventual pendant-set mechanism that the factory chose made use of a large shuttle spring and shipper, with a lockout for servicing when the movement was out of the case. It became standard on all later 18-size open-face models, specifically the Models 8 and 12.
SN 205576 has this same later mechanism, which would have been easy to do, since the shipper mount screw is in the same location as a setting lever, as is the rusty lockout toggle, which occupies the lever slot. Early Model 5s also had a lever spring, which sat in a milled pocket below the lever, which was blanked on this example by a small perlaged plate (red arrow in the second photo) and was anchored in a drilled hole (red circle in the same photo).
Except for those alterations, it would appear that SN 205576 came off the line as a 21-jewel Maiden Lane, complete with a standard spring-assisted setting lever and a barrel bridge with a bushing and not an added 22nd jewel.

The earliest known ad showing the 17-jewel Maiden Lane for a whopping $62.50

The earliest known factory trade list showing the 21-jewel Maiden Lane for $25.

A C Becken advert for twice as much.

Factory trade list; note that the count was already up to twenty-five.

Factory ad cut showing the 24-jewel variant.

Factory trade list showing the same price as four years earlier.

Dearborn & Co ad with an unknown date, though the diamond caps and the company address on the plates put it at after 1910.
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