GOLD-SLIM 18K Solid gold Coin Edge finished Case Cal.575

Name: GOLD-SLIM 18K Solid gold Coin Edge finished Case Cal.575
Brand: BLANCPAIN
Price: 1350000 JPY
Availability: InStock
Rating: 5 (1 reviews)

Japan

￥1,350,000

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Basic Information

Brand

BLANCPAIN

Model

OTHER

Reference Number

Case Material

18k solid gold

Year Of Manufacture

1970

Case Condition (Including Case Back)

Pre-owned (Minimal scratches on case)

Accuracy

Mechanical (±10 seconds/day)

Gender

Male

Location

Japan

Movement

Winding Up

Automatic

Caliber

575

Power reserve

Number of jewel bearings

Case

Case Material

18k solid gold

Glass

pastic

Size (excluding crown)

Dial

Gold engraving Gold Dial

Belt

Belt Material

CARF

Explanation

See translation

R575… Bearing the “R” of Rayville as its initial, this in-house designation reflects Blancpain’s proprietary modular craftsmanship, built upon the Peseux 7001 and presented here as a true storyteller of horological excellence.
The movement, with its simple yet creative and meticulously executed construction, was so compelling that even German makers such as NOMOS found inspiration in its architecture.
Its traditionally enlarged balance, designed to enhance precision, expresses a humble and honest aesthetic, beating at a gentle 18,000 vibrations per hour.
Together with its calm, rhythmic cadence, the finely polished bridges reveal the full beauty of Côtes de Genève, brought to their highest expression.
This model, housing such a legendary caliber, first captivates with its condition.
Virtually non-polished and remarkably preserved, it appears almost unworn.
The engraved coin-edge case stands as a testament to Blancpain’s enduring commitment to luxury, while the dial—adorned with deeply sculpted Roman numerals—exudes a striking three-dimensional presence, an expression that can truly be called art.
On April 9th, 1928, a special bulletin spread across Switzerland:
“Since 1850, he devoted himself to preserving his family’s legacy. Having taken over in 1857, he brought the name of Blancpain to the world, and stands honored as a pioneer and a visionary of the Swiss watch industry.”
A tribute to Frédéric-Emile—upon his passing, the entire nation paid its respect.
Yet reality demanded the end of a bloodline that had endured since 1735 for nearly two centuries.
Amid the onset of the Great Depression, Betty Fiechter, together with André Léal, acquired the company in June 1933.
Renamed Rayville, she nevertheless fought to preserve the Blancpain name by urging Nellie, Emile’s daughter, to remain connected to the business.
Thus, though the lineage faded, the name Blancpain lived on eternally.
Facing hardship—including Léal’s disappearance—the company turned toward the American market in 1933 and, even during the Depression, achieved success through the introduction of new models.
That enduring spirit is engraved in the words: “Since 1735.”
From the 1950s onward, Blancpain inscribed this phrase on its dials—not merely as a date, but as a declaration of pride as the oldest name in Swiss watchmaking, a philosophy to forever honor Emile’s legacy.
This very philosophy is embodied in this piece.
A slim model distinguished by its engraved coin-edge case, it represents a Rayville-era creation.
The caliber bears the initial “R,” denoting its in-house identity.
Primarily hand-wound, it integrates various ébauches, while the dial adopts bold and distinctive design elements—crafted to set it apart from its contemporaries.

★★★ BLANCPAIN ★★★
18K Solid Gold Coin-Edge Finished “Gold Slim” with Engraved Gold Dial

Condition & Details


Accessories: None
(Strap and buckle are aftermarket; all other parts are original)


Regulated in-house
(Rate: +5 sec/day / Amplitude: 255 / Beat error: 0.1 ms / Lift angle: 50°)
Measured by timegrapher; results may vary depending on conditions


Warranty: 3 months (auction purchase) / 2 years (in-store purchase)



Dial
Original circa 1970 solid 18K engraved gold dial
Signed: BLANCPAIN SINCE 1735 SWISS
Condition: Excellent
Hands
Original circa 1970 solid gold hands
Condition: Excellent
Case
Original circa 1970 solid 18K coin-edge engraved slim case
Condition: Minimal signs of wear, unpolished
Size: 32mm (without crown) × 35mm (lug-to-lug)
Caseback
Original circa 1970 solid 18K snap-back with double screws
Signed: BLANCPAIN RAYVILLE S.A. 18K 0.750
Condition: Minimal signs of wear, unpolished
Strap
Aftermarket crocodile leather strap with gold-tone buckle
Condition: New

★☆★ Caliber R575 ★☆★
Frequency: 18,000 vph
Jewels: 17
Power Reserve: 42 hours
Flat hairspring balance
Côtes de Genève finishing
Signed: BLANCPAIN RAYVILLE S.A. 17 JEWELS UNADJUSTED