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GIRARD PERREGAUX BUMPER SYSTEM, 1940S
Brand | Girard Perregaux |
---|---|
Model | Automatic Bumper |
Gender | Man |
Country of origin | Switzerland |
Decade | 1940s |
Year of manufacture | 1948 |
Serial number | 38AE 0111 |
Movement | Automatic |
Crystal | Original Plexiglass, flawless |
Dial | Beige, with Arabic numerals |
Case material | Gold-plated steel, 20 microns. |
Diameter without crown | 33 mm |
Diameter with crown | 35.2 mm |
Lug-to-lug length | 39.2 mm |
Thickness | 10 mm |
Strap width | 18 mm |
Strap material | Genuine leather vaccine |
Strap color | Black |
Closure/buckle | Squirrel-type, gold-plated steel. |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
Documentation | Free Certificate of Authenticity available on request |
Girard-Perregaux watches with the Bumper system represent a fascinating stage in Swiss watchmaking history, standing out for their technical innovation and their role in the evolution of automatic movements. Developed mainly in the 1940s and 1950s, these watches incorporated the automatic winding mechanism known as the “bumper”, a pioneering system that laid the foundation for modern automatic movements. Girard-Perregaux, one of Switzerland’s most prestigious brands, leveraged this technology to create watches that combined traditional craftsmanship and technical advancements, solidifying their reputation as an innovative firm.
Origins and development of the Bumper system
The Bumper system was one of the first automatic winding mechanisms used in watchmaking. Unlike modern automatic movements that rotate 360 degrees, the Bumper system operates with a rotor that oscillates in a limited arc, “bumping” or “rebounding” against stops (hence the name “bumper”). This mechanism, although less efficient than later systems, was a significant advance in its time, as it allowed the watch to be wound through the natural movement of the user’s arm.
Girard-Perregaux adopted this system in the 1940s, incorporating it into some of its most iconic models. The Swiss brand, founded in 1791, was already known for its haute horlogerie, and the use of the Bumper system reinforced its image as an innovative and forward-thinking firm.
Design and features
Girard-Perregaux watches with the Bumper system are characterized by their classic and sophisticated aesthetics. The cases, generally made of gold or stainless steel, feature an elegant and timeless design, with dials that often include applied indices or Arabic numerals, and stylized hands. Many of these models also incorporated details such as enamel dials or artisanal engravings, reflecting the brand’s high level of craftsmanship.
Regarding the movements, the calibers with the Bumper system used by Girard-Perregaux were known for their reliability and precision. Although the Bumper system was not as efficient as later automatic movements, it offered a practical and functional solution for the time, allowing users to enjoy the convenience of an automatic watch without the need for manual winding.
Impact and legacy
Girard-Perregaux watches with the Bumper system were highly popular during the 1940s and 1950s, attracting an audience that valued technical innovation and elegant design. These models helped solidify Girard-Perregaux’s reputation as a leading brand in Swiss watchmaking, capable of combining tradition and advanced technology.
Today, Girard-Perregaux watches with the Bumper system are highly appreciated by collectors and vintage watch enthusiasts. Their classic design, innovative history, and connection with one of Switzerland’s most prestigious brands make them highly sought-after pieces. These watches represent a transitional period in watchmaking when manufacturers were exploring new ways to improve the functionality and comfort of mechanical watches.
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INFORMACIÓN
Brand | Girard Perregaux |
---|---|
Model | "Art Decó" |
Gender | Man |
Country of origin | Switzerland |
Decade | 1930s |
Year of manufacture | 1935 |
Case code | 431332: Sapphire Crystal |
Movement | Manual rope |
Crystal | Origin plexiglass |
Dial | Silver, flawless |
Case material | Stainless steel |
Diameter without crown | 26 mm |
Diameter with crown | 27 mm |
Lug-to-lug length | 40 mm |
Thickness | 9 mm |
Strap width | 20 mm |
Strap material | Top quality genuine leather |
Strap color | Brown |
Closure/buckle | Stainless Steel, Clasp Type. |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
Documentation | Free Certificate of Authenticity available on request |

GIRARD PERREGAUX, VINTAGE YEAR 1954, HAND-WOUND
INFORMACIÓN
Brand | Girard Perregaux |
---|---|
Model | Classic |
Gender | Man |
Country of origin | Switzerland |
Decade | 1950s |
Year of manufacture | 1954 |
Movement | Manual rope |
Caliber | 094773 |
Crystal | Original PLexiglás |
Dial | Bicolor, with Roman numerals. |
Corona | Steel, at 3. |
Case material | Stainless steel |
Diameter without crown | 36 mm |
Diameter with crown | 38 mm |
Lug-to-lug length | 43 mm |
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Strap width | 18 mm |
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Case/Box | Yes, generic. |
Documentation | Free Certificate of Authenticity available on request |

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INFORMACIÓN
Brand | Omega |
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Model | Seamaster |
Gender | Man |
Decade | 1970s |
Year of manufacture | 1975 |
Serial number | 39417516 |
Case code | 166. 0215 |
Movement | Automatic |
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Crystal | Origin plexiglass |
Dial | Silver with double date stamp |
Bezel | Stainless steel |
Corona | Yours truly |
Case material | Stainless steel |
Diameter without crown | 36 mm |
Diameter with crown | 37.5 mm |
Lug-to-lug length | 41 mm |
Thickness | 10 mm |
Strap width | 22 mm |
Strap material | Stainless steel |
Strap color | Steel |
Closure/buckle | Steel, original Omega |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
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TITAN ALARM WATCH, 1950s, DOUBLE CROWN
INFORMACIÓN
Brand | Titan |
---|---|
Model | Alarm |
Gender | Man |
Decade | 1950s |
Case code | 43232 |
Movement | Manual rope |
Caliber | Titan 230 |
Crystal | Original PLexiglás |
Dial | Cream color with 12-hour numbering in the center |
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Diameter without crown | 37 mm |
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Lug-to-lug length | 46 mm |
Thickness | 12 mm |
Strap width | 18 mm |
Strap material | Frog skin |
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Closure/buckle | Steel |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
Documentation | Free Certificate of Authenticity available on request |

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INFORMACIÓN
Brand | Omega |
---|---|
Model | Classic 30T2 |
Gender | Man |
Decade | 1930s |
Year of manufacture | 1939 |
Serial number | 9454590 |
Case code | 1037B756 |
Movement | Manual rope |
Caliber | Omega 30T2 |
Crystal | Plexiglass |
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Diameter without crown | 36 mm |
Diameter with crown | 37.5 mm |
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Thickness | 9 mm |
Strap width | 18 mm |
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INFORMACIÓN
Brand | Omega |
---|---|
Model | Geneva |
Gender | Man |
Decade | 1970s |
Year of manufacture | 1970 |
Case code | 131.019 SP |
Movement | Manual rope |
Caliber | Omega 601 |
Crystal | Plexiglass |
Dial | Golden with Arabic numerals |
Corona | Original, signed Omega |
Case material | Stainless steel |
Diameter without crown | 34 mm |
Diameter with crown | 36 mm |
Lug-to-lug length | 40 mm |
Thickness | 9 mm |
Strap width | 18 mm |
Strap material | Lizard skin |
Strap color | Bordeaux |
Closure/buckle | Steel |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
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INFORMACIÓN
Brand | Certina |
---|---|
Model | Blue Ribbon |
Gender | Man |
Decade | 1960s |
Serial number | 4715935 |
Case code | 5801 102 |
Movement | Automatic |
Caliber | Certina 25-651 |
Crystal | Original PLexiglás |
Dial | Silver, linen fabric, impeccable |
Corona | Original, signed |
Case material | Stainless steel |
Diameter without crown | 34 mm |
Diameter with crown | 36 mm |
Lug-to-lug length | 38 mm |
Thickness | 9 mm |
Strap width | 18 mm |
Strap material | Lizard skin |
Strap color | Black |
Closure/buckle | Steel |
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INFORMACIÓN
Brand | Bulova |
---|---|
Model | Art Deco Quartz |
Gender | Man |
Year of manufacture | 1979 |
Movement | Quartz |
Crystal | Mineral |
Dial | Bitono, Roman numbers |
Diameter without crown | 27 mm |
Diameter with crown | 28 mm |
Lug-to-lug length | 40 mm |
Thickness | 5 mm |
Strap width | 18 mm |
Strap material | Cowhide |
Strap color | Black |
Condition of the watch | Very good, with slight signs of aging. |
Case/Box | Yes, generic. |
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