English gold astronomic watch with thirteen complications Circa 1902

Gold watch made for the Islamic market 
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An extremely fine and very rare, large English, 18 Carat gold, astronomic, keyless clockwatch, circa 1902. Watch with thirteen complications by Baume, London, attributed to Audemars Piguet. Made for the Islamic market, the case with London hallmarks for 1902. Grande & petite sonnerie striking, two train, trip minute repeating keyless, perpetual calendar, chronograph, instantaneous 60 minute register, moon phases and lunar calendar.
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A massive, solid, hinged gold cuvette with master mark AB, entirely engraved with foliage and geometric patterns, the centre of the back cover engraved with a crescent moon, thief proof swivel bow. White enamel dial by Willis, radial Islamic numerals, outer minute track and concentric fifths of a second chronograph track with Arabic five second numerals, subsidiary dials for months and leap years concentric with 60 minute register, days of the week, date, seconds and lunar calendar, aperture for the moon phases. Blued steel spade hands.
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A frosted gilt movement, three quarter plate, jewels in screwed chatons, two trains with tandem winding, lateral lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a trip button in the band, silent/striking & hours & quarters/quarters only selection levers beneath the bezel. Movement signed.
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Diameter: 59 mm
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Signed: Baume  London
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Baume & Co.
The firm was established in London around 1845, a branch was opened in Geneva in 1882, under the name Baume Genève. The firm often used LeCoultre ebauches for their complicated watches. They were known for their careful, high-quality finishing. 

The complications of this watch are Perpetual calendar, Days of the month, Days of the week, Months, Four-year cycle, Age and phases of the moon, Chronograph, 60 minute register, Grande sonnerie & Petite sonnerie, Minute repeater Striking train stop work, Twin barrel tandem winding.