Pre-Owned
Hamilton

Hamilton 'Masonic' Brock

40993424 AS12567 21 mm
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Regular price $1,895
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Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

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Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

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All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

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Hamilton 'Masonic' Brock - (Ref. 40993424 AS12567) Product Details

Overall Condition: Good overall condition with surface wear consistent with age. The caseback engraving stays legible and truly makes the watch. The crystal is in excellent condition while the hands, markers, and dial have all earned a slightly warmed patina.

By the first half of the 20th century, Hamilton had become synonymous with American precision. From its headquarters in Lancaster, Pennsylvania, the company built its reputation on exceptionally accurate railroad watches before expanding into elegant wristwatches that reflected the optimism and sophistication of the Art Deco era. While Hamilton's railroad chronometers cemented the brand's legacy, its dress watches proved that technical excellence and beautiful design could exist in equal measure.

The Brock is a wonderful example of this philosophy. Crafted in 14-karat yellow gold, its slim rectangular case embraces the clean geometry that defined the period while remaining unmistakably American in character. A silvered dial is adorned with applied gold Breguet numerals, a finely detailed railroad minute track, elegant gold hands, and a subsidiary seconds register at six o'clock. The result is a watch that feels both refined and purposeful, balancing decorative flourishes with Hamilton's longstanding commitment to legibility.

What truly sets this example apart, however, is its remarkable provenance. The caseback is beautifully engraved:

"Presented to J. W. Simpson – 1946 – Doric Lodge No. 132 – Portland, Ore."

Accompanying the inscription is the iconic Square and Compasses, the universally recognized emblem of Freemasonry. More than a simple presentation engraving, it transforms this Hamilton into a tangible piece of personal history—one that commemorates a milestone within one of America's oldest fraternal organizations. Watches like this were often presented in recognition of years of service, leadership, or distinguished membership, making each example a one-of-a-kind artifact with a story that extends well beyond the watch itself.

Vintage Hamiltons are cherished for their enduring quality and timeless design. However, those bearing such deeply personal engravings offer something rarer still: a direct connection to the individual who first wore them. It is precisely the sort of provenance that reminds us a great vintage watch is more than a machine. It is a witness to a life well lived.

General

Condition

Pre-owned

Brand

Hamilton

Reference

40993424 AS12567

Year

1940s

Family

Brock

Product Code

40993424

Watch Display

Analog

Case

Case Size

21 mm

Case Material

Yellow Gold

Lug Width

16 mm

Dial

Dial Color

Silver

Movement

Type

Manual-winding

Bracelet

Bracelet Material

Leather

102

Years of Service in Luxury Timepieces

2000+

Five Star Reviews

191

Showrooms Across the Globe

50+

Luxury Timepiece Brands


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