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Master Ultra Thin Date
Q1238481
Housed in a generously sized steel case—39 mm in diameter and just 7.8 mm thick—the Master Ultra Thin Date watch exudes a strong personality that today’s adventurers are sure to appreciate. On the sunburst dial in a unique blue-gray hue, every iconic detail of this signature collection—rooted in pure watchmaking tradition—stands out and distinguishes itself, while forming a beautifully balanced whole: a polished case and bezel, slightly rounded lugs, slender trapezoidal hour markers, Dauphine hands… On the back of the watch, the Manufacture Caliber 899—designed and assembled in-house at the Grande Maison—boasts exquisite finishes: beveling, Côtes de Genève, and blue screws.
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Master Ultra Thin Date
Q1238481
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Master Ultra Thin Date
Q1238481
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Features
FEATURES
Case: Steel
Diameter: 39 mm
Thickness: 7.889 mm
Water resistance: 5 bar
Dial: Rhodium-plated hour markers, blue, sunburst finish
Hands: Dauphine hands
MOVEMENT
Functions: Seconds, Hours-Minutes, Date
MOVEMENT TYPE: Self-winding
Thickness: 3.3 mm
Shifts per hour
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The balance wheel moves back and forth at a specific frequency (two vibrations). It is measured either in alternations per hour (a/h), or in Hertz (Hz). : 28800
Frequency (Hz)
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The balance wheel moves back and forth at a specific frequency (two vibrations). It is measured either in alternations per hour (a/h), or in Hertz (Hz). : 4
Power reserve
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The length of time the watch continues to run before needing to be wound. : 70 hours
Components: 218
Ruby
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Watchmaking stones (rubies) used in pivot holes to reduce friction in the movement of a watch. : 32
Barrel: 1
BRACELETS AND BUCKLES
Strap: Material type: Large-scale alligator leather
Color: Black
Interchangeable: Quick-release technology for easy strap replacement
Standard strap length at 12 o’clock: 75mm
Strap length at 6 o’clock: 120mm
Lug-to-lug width: 21mm
Clasp: 3-blade folding clasp
Steel
Clasp width: 18 mm
CARE FOR YOUR WATCH
Selection
2 brick-and-mortar stores in Switzerland
6-generation watchmaking family
Official agent with international guarantee.
