This is the first three-hand watch in the new FERRUM line by Grieb & Benzinger. Its rare Patek Philippe caliber with the serial number 185192 finds its origins in the year 1920. The auction houses had described this movement without its most important element, something that was only discovered after it was deconstructed: the Maltese cross winding in the spring barrel.

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FROM THE SHADOWS INTO THE SUNLIGHT

Patek Philippe Caliber 185192 from 1920 was always hidden behind a dial, which kept the mechanical treasures inside the watch “buried.” From the back it was possible to see the difficult-to-produce wolf’s teeth, an element we have revived in our own Tourbillon Remontoire. But inside the movement, elements like the Maltese cross winding in the spring barrel and the “beating heart” balance only come become visible in our FERRUM Grey Appearance.

GREY APPEARANCE

HISTORICAL THREE-HAND MOVEMENT | Ferrum

26.500 EURO

FROM THE SHADOWS INTO THE SUNLIGHT

Patek Philippe Caliber 185192 from 1920 was always hidden behind a dial, which kept the mechanical treasures inside the watch “buried.” From the back it was possible to see the difficult-to-produce wolf’s teeth, an element we have revived in our own Tourbillon Remontoire. But inside the movement, elements like the Maltese cross winding in the spring barrel and the “beating heart” balance only come become visible in our FERRUM Grey Appearance.

GREY APPEARANCE

HISTORICAL THREE-HAND MOVEMENT | Ferrum

26.500 EURO

MOVEMENT
Three-hand movement
CALIBER
Patek Philippe for Tiffany New York No. 185.192
WINDING
Manual winding, Maltese cross winding in spring barrel
POWER RESERVE
36 hours
ESCAPEMENT
Swiss lever escapement
REGULATOR
Compensation balance with Breguet hairspring
JEWELS
20
DIAL
Handguilloche and -skeletonized
MATERIAL
Sterling silver 925
SURFACE
Original Breguet frosted finish
DISPLAYS
Hours, minutes, seconds at 9 o’clock
HANDS
Blued steel hands
CASE
Special commission in stainless steel
MATERIAL
Stainless steel
DIAMETER
44 mm
CROWN
Stainless steel oignon-style crown
CRYSTAL
Two sapphire crystals
BEZEL
Handguilloche (diamond-cut guilloche)
SPECIAL ELEMENTS
Origin and functions
ORIGIN
Historical movement by Patek Philippe from around 1920 for Tiffany New York.
MODIFICATIONS
Three-hand movement, hours, minutes, seconds. Seconds positioned at 9 o’clock by rotating the pocket watch movement 90°
STRAP
Various colors available
MATERIAL
Hand-sewn alligator skin with rose gold stitching