ANTOINE MARTIN Quantième Perpétuel au Grand Balancier Open Dial

After the successful launch of the Quantième Perpetual Au Grand Balancier collection in 2012, Swiss luxury watch brand ANTOINE MARTIN introduces a new model with a partially cut-out dial, giving the watch a subtle technical touch.

The case is hardly to be topped in terms of complexity. In order to showcase the wondrous interplay of polishing and satin finishing, this case was conceived to include detachable strap lugs. Thus, the recesses are polished to a high gloss, while the upper parts remain matte. The strikingly designed flanks, which lend the case its unique lines, are also individually secured.

An unmistakable element of an ANTOINE MARTIN watch is certainly the crown, which is reminiscent of classic Bauhaus design. This case in its entirety is a lavish construction comprising 84 individual components. It is made of stainless steel with a black bezel DLC treated (diamond like carbon coated).

ANTOINE MARTIN Quantième Perpétuel au Grand Balancier Open Dial

A modified Swiss lever escapement called HPE (High Performance Escapement) that includes silicium ensures increased energy yield; the brand-new Aerodynamic Amplitude Stabilization (ADAS) guarantees an even rate; and this movement boasts a free-sprung balance spring, which is one of the prerequisites in attaining the Seal of Geneva.

Manually wound Calibre AM 39.001 (Originally introduced in 2011 in ANTOINE MARTIN Perpetual Calendar QP01 model), in which twin mainsprings ensure a power reserve of six days, is outfitted with a perpetual calendar and a large date. The visual cherry on top is the extra-large balance crafted in Grade 5 titanium boasting an incredible diameter of 17.5 mm.

ANTOINE MARTIN Quantième Perpétuel au Grand Balancier Open Dial

The dial includes five opening allowing a glimpse of the movement. This gives the watch a more technical and sporty touch. The indexes are composed of black luminova.

The vertical placement of the perpetual calendar’s day and month displays and the leap year indication at the 12 o’clock position were only possible thanks to a few new tricks up the engineers’ sleeves.

This model is available in a stainless steel case with a black DLC coated bezel.

Technical details

Ref QP01.110.9
Model: Quantième Perpétuel au Grand Balancier „open dial“
Hand-wound movement with six days power reserve
Case: stainless steel with black DLC-coated bezel
Double anti-reflective sapphire crystal
Black rubber strap with deployment buckle
Suggested retail price: CHF 42‘000.-

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