Baselworld 2019: Arnold & Son HM Perpetual Moon Aventurine

HM Perpetual Moon Aventurine continues Arnold & Son’s tradition of astronomical timepieces

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The HM Perpetual Moon Aventurine offers a spectacular solid gold moon phase beautifully harmonising with a sparkling blue aventurine quartz dial and paired with an in-house Arnold & Son mechanical calibre.

Arnold & Son HM Perpetual Moon Aventurine
Arnold & Son HM Perpetual Moon Aventurine

Demonstrating its British history and Swiss savoir-faire, Arnold & Son presents the HM Perpetual Moon with a blue aventurine quartz dial, preserving the House’s expertise in astronomical complications.

Arnold & Son HM Perpetual Moon Aventurine
Arnold & Son HM Perpetual Moon Aventurine

The timepiece houses the exclusive Arnold & Son mechanical hand-wound calibre A&S1512 exclusively developed for the moon phases complication and equipped with a double barrel to yield a 90-hour power reserve. This movement supply a precision moon phase with one day deviation every 122 years and offers a unique easy-to-set feature thanks to the addition of a second moon pahses indicator visible through the transparent case back.

Arnold & Son HM Perpetual Moon Aventurine

Beyond technological aspects of the HM Perpetual Moon Aventurine, the entire rhodium plated movement features hand finishing including: chamfered with polished edges, Côtes de Genève and fine circular grained bridges, circular grained wheels, blued screws with polished and chamfered edges.

Arnold & Son HM Perpetual Moon Aventurine

The moon phase guilloché disc, running from 10 o’clock to 2 o’clock, reveals a solid 18-karat red gold engraved moon. Faceted hours and minutes hands run along twelve golden indexes applied on the blue aventurine quartz dial.

The 42 mm diameter, 18-karat red gold case is sealed with an antireflection sapphire crystal and adorned with a hand-stitched alligator strap, fastened with an 18-karat red gold pin buckle.

Arnold & Son HM Perpetual Moon Aventurine Technical Specifications and Price

 

Functions                                        Hours, minutes, precision moon phase indicator, second moon phase indicator case backArnold & Son HM Perpetual Moon Aventurine

 

Movement

Calibre                                               A&S1512, mechanical hand-wound

Jewels                                                27

Diameter                                           34 mm

Height                                                5.35 mm

Power reserve                                   90 hours

Frequency                                         3 Hz / 21,600 vph

Decoration                                        Rhodium plated Haute Horlogerie finishing: hand chamfered bridges with polished edges, circular graining and sunray Côtes de Genève, blued screws with polished and chamfered edges

 

Dial                                                    Blue aventurine quartz, blue lacquered guilloché moon disc, solid 18-karat red gold (5N) moon and golden stars

                                                          Back: fine circular graining, rhodium plated, moon phase indicator

Case

Material                                             18-karat red gold (5N)

Diameter                                           42 mm

Thickness                                          11.43 mm

Crystal                                                Cambered sapphire, antireflection coating on both sides

Back                                                   Sapphire crystal

Water resistance                              30 m /100 ft

 

Strap

Material                                             Hand-stitched brown alligator leather

Buckle                                                Pin, 18-karat red gold (5N)

 

Reference number                      1GLAR.A01A.C123A

 

Limited edition                            28 pieces

 

World retail price                        CHF 31’900 (prices can be subject to change)

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