Ethos Watch Boutiques

Arnold & Son Perpetual Moon 38 White Gold "Night Tide"


₹ 69,00,000

*Inclusive of all taxes

*Available On Special Order

Full Specification

  • CollectionPerpetual Moon
    Model No1GLMW.Z04A.C284A
  • Movement
    Features Moon Phase
    Movement Manual Winding
    Calibre A&S1612
    Case Size 38 mm
    Case Thickness 10.44 mm
    Case Shape Round
    Case Material White Gold
    Case Back See-through Case Back
    Glass Material Sapphire Crystal
    Dial Colour Blue
    Hands Obelisque
    Indexes Diamond
    Strap Material Leather
    Strap Colour Blue
    Clasp Type Pin Buckle
    Buckle/Clasp Material White Gold
    Precious Stone On Bezel, Lugs & Crown
    Gender Women
    Water Resistance (M) 30
    Limited Edition Yes
    Warranty Period 2 Years
    Country of Origin Switzerland

Product Video

About the Arnold & Son Perpetual Moon Collection

At Baselworld 2013, Arnold & Son launched the world’s largest moon phase display with their Perpetual Moon collection that spotlighted this celestial complication boldly in a sizeable aperture of 29mm. With such a spectacular display of the moon phase coupled with brilliant craftsmanship, the Arnold & Son Perpetual Moon collection invites wearers to an aesthetic watchmaking journey.

The Chronicles of the Perpetual Moon

The ultimate charm of the Arnold & Son Perpetual Moon collection lies in its dial. Therefore, an array of intricate designs, the use of exclusive materials, and the application of beautiful gemstones are rife on the dial that holds the watch’s lodestone — the moon phase indicator. Naturally, this moon phase aperture is even more exquisite as it mimics the beauty of the night sky. Alongside a realistic depiction of the moon, this display carries recreations of two constellations — the Big Dipper and the Cassiopeia. The choice of these constellations is quite discerning, for they were used by navigators in the Northern Hemisphere to find the North Star.


Offered in a slew of case sizes for both men and women, the Arnold & Son Perpetual Moon is also available in different materials such as red gold, platinum and stainless steel. Most Perpetual Moon watches are powered by the in-house movement A&S1512, whereas the 38mm version for women is driven by A&S1612. Both these movements are manually wound and offer a power reserve of 90 hours while beating at 3Hz or 21,600vph. These calibres are meticulously constructed to ensure moon phase accuracy for 122 years. Visible through the case, they are finished impeccably, showing traditional decoration, such as Côtes de Genève stripes, chamfering, bevelling, and polishing. Though inside the 38mm version, the A&S1612 movement takes charge.

Arnold & Son Perpetual Moon


Arnold & Son has developed the calibre A&S1612 for the smaller sizes of the Perpetual Moon watches, making it the smallest in-house calibre by the brand. The movement measures 30mm in diameter and 10.44mm thick. This manually wound movement includes a moon-phase indicator with an accuracy of 122 years, and it offers a power reserve of 90 hours while operating at 21,600 beats per hour.


    • Brand Arnold & Son
    • Reference A&S1612
    • Movement Manual Winding
    • Display Analog
    • Power Reserve Approx. 90 hours
    • Jewels 24
    • Frequency 21600 bph

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