XII · III · VI · IX
The Art & Precision of Mechanical Timekeeping
A design system measured in microns · 21 jewels · Geneva seal
Drawn from the horologist's bench: warm walnut wood, polished brass bridges, rose gold hands, enamel dials, blued steel screws, and ruby jewel bearings.
Workshop & Walnut
Workshop Dark
#1A140E
Walnut
#2C1E12
Walnut Mid
#3D2B1A
Walnut Light
#5A4230
Polished Brass
Brass Pale
#E2CC8A
Brass Light
#D4B96E
Brass
#C5A55A
Brass Dark
#A68A3E
Brass Deep
#7A6428
Rose Gold
Rose Gold Light
#D4A68A
Rose Gold
#C48B6C
Rose Gold Dark
#A06A4C
Rose Gold Deep
#7C4E38
Dial Faces
Dial White
#F5F0E8
Dial Cream
#EDE5D5
Dial Silver
#D8D2C8
Champagne
#E8DCC0
Blued Steel & Jewels
Blued Steel
#2A3A5C
Blued Light
#3A4E78
Ruby Jewel
#A82035
Sapphire
#2848A0
Letterforms chosen for clarity under a loupe. Cormorant Garamond for the elegance of engraved case backs, Libre Baskerville for legible dial text, JetBrains Mono for technical readouts.
Display / Cormorant Garamond 300
Haute Horlogerie
Heading / Cormorant Garamond 600
Balance Spring Oscillation
Subheading / Cormorant Garamond Italic 300
Where each second is divided into eight precise vibrations, and the balance wheel swings with unwavering constancy
Body / Libre Baskerville 400
The horologist works in silence, bent over the workbench with loupe pressed to eye. Each component of the movement — from the mainspring barrel to the escapement lever — must be adjusted to tolerances measured in hundredths of a millimetre. A single grain of dust in the wrong place can halt a mechanism designed to run for decades. This is the art of precision: not merely making things small, but making them perfect.
Caption / JetBrains Mono 300
Cal. 3135 :: 28,800 vph :: 31 Jewels :: 48hr Reserve :: COSC Certified
A 4-pixel base unit, scaled with the same mathematical precision applied to gear ratios in a going train.
Crowns, pushers, and correctors. Each interaction crafted with the tactile certainty of a case-back pusher or chronograph reset.
Service record entries, calibration inputs, and movement registration forms for the workshop logbook.
Information displays styled as movement components: dark case backs, enamel dials, and polished brass bridges.
The oscillating heart of the movement. A precisely weighted wheel swings back and forth, regulated by the hairspring, dividing each second into equal intervals with unwavering rhythm.
Layers of vitreous enamel fired at 800 degrees Celsius until the dial achieves a depth and luminosity unmatched by any printed or lacquered finish. Each dial is unique.
The gear train transmits energy from the mainspring barrel through a series of precisely meshed wheels and pinions, each reduction calculated to deliver exactly one revolution per minute to the centre wheel.
Geneva Seal Certification
The Poincon de Geneve guarantees that every component of this movement has been finished, decorated, and assembled to the highest standards of the Genevan watchmaking tradition. Each bridge bears Cotes de Geneve striping; each screw head is mirror-polished; each jewel setting is precisely chamfered.
Manufacture Horlogere
Established 1755 · Vallee de Joux · Switzerland
Workshop advisories, service reminders, and quality control notices from the master horologist's bench.
Calibration Notice
This movement has been regulated to COSC chronometer standards. Rate deviation does not exceed -4/+6 seconds per day across five positions and two temperatures.
Service Complete
Full movement overhaul completed. All worn components replaced. The timepiece has been tested for 15 days in six positions. Water resistance verified to 100 metres.
Power Reserve Low
The mainspring has fewer than 8 hours of remaining power. Wind the crown clockwise 30 half-turns, or wear the timepiece to allow the automatic rotor to replenish the reserve.
Timing Fault Detected
The balance wheel amplitude has dropped below 220 degrees. This indicates excessive friction or a weakened mainspring. Immediate service is recommended to prevent further degradation.
Workshop Reminder
All timepieces should receive a full service every 5 to 7 years to maintain optimal performance. The lubricants in the jewel bearings degrade over time, even when the watch is not in use.
In horology, any function beyond the display of hours, minutes, and seconds is called a complication. The more complications, the greater the mastery required.
Moon Phase
Displays the current lunar phase through an aperture, requiring correction only once every 122 years.
Chronograph
An independent timing mechanism for measuring elapsed intervals, operated by pushers at 2 and 4 o'clock.
Minute Repeater
Chimes the time acoustically on demand through hammers striking tuned gongs within the case.
Perpetual Calendar
Automatically accounts for months of varying length and leap years until the year 2100.
Tourbillon
Rotates the entire escapement assembly once per minute to counteract the effects of gravity on timekeeping.
Power Reserve
Indicates remaining mainspring tension, allowing the wearer to wind before accuracy begins to diminish.
A technical dossier in the tradition of Swiss manufacture case-back engravings and certificate papers.
| Parameter | Specification |
|---|---|
| Calibre | HRG-3255 Manufacture |
| Type | Self-winding mechanical |
| Diameter | 31.8 mm (14 lignes) |
| Height | 6.45 mm |
| Frequency | 28,800 vibrations/hour (4 Hz) |
| Jewels | 31 synthetic rubies |
| Power Reserve | 70 hours (single barrel) |
| Components | 315 parts |
| Escapement | Chronergy, optimised geometry |
| Balance | Paramagnetic nickel-phosphorus hairspring |
| Finishing | Cotes de Geneve, perlage, bevelled edges |
| Certification | Superlative Chronometer (-2/+2 s/day) |
Power reserve displays, timing accuracy bars, and service interval gauges inspired by the sub-dials and linear indicators of fine watchmaking.