Thursday, December 10, 2015

Speake-Marin Dong Son Tourbillon

Luxury watch brand Speake-Marin unveils its new horology masterpiece: The Dong Son Tourbillon. Christened after the ancient Dong Son bronze drums, this high horology creations features a red gold dial with centre intricately etched to leave a fascinating relief motif inspired by the prehistoric bronze drums of the ancient Dong Son people of Vietnam. The meticulously detailed dial is complemented by the drum-like Speake Marin Piccadilly case in 18k red gold.

In addition to the signature Piccadilly case, the Dong Son Tourbillon possesses other quintessential Speake-Marin qualities including sculpted heat-blued hands, finely finished movement and fluted crown, here set with a scintillating diamond.

The beautiful hand-finished tourbillon rotating at 6 o’clock is framed superbly by its steel guard. The eye-catching, highly polished tourbillon bridge is made from Durnico steel, chosen for its superior strength.
The tourbillon has played an important role in the story of Speake-Marin. The first timepiece to bear the Speake-Marin name was the Foundation Watch, a hand-made pocket watch. The watchmaker’s topping tool wheel motif in the Speake-Marin logo, which first appeared in the tourbillon cage of the Foundation Watch, can also be seen in the tourbillon cage of the Dong Son Tourbillon.

The Dong Son Tourbillon’s visually-arresting blued steel hands are also designed in the same style as the hands of the Foundation Watch, the Rosetta Stone of Speake-Marin. The polished, sculpted hands – including a heart-shaped hour hand – are set off superbly by the white etched dial centre. Around the circular-grained periphery of the 18 k red gold dial, Roman numerals are first engraved, then lacquered, then circular-grained. The polished gold bezel frames the dial, just as the polished guard in the dial around the escapement frames the tourbillon.
Turning the Dong Son Tourbillon over, the movement featuring hand-finishing can be fully appreciated through the display back. On top of the offset mainspring barrel is the noble platinum micro-rotor, its strong and sober aesthetic counter-balanced by the intricate complexity of the tourbillon.

The lower tourbillon cage is supported by a striking paddle-shaped bridge offering clear visual access to the surrounding gears below. The rhodium-finished German silver bridges and movement plates are circular-grained with polished screw heads and countersinks. Technical details are engraved and gilded on the bridges either side of the platinum rotor.

The Dong Son bronze drum culture
Dong Son drums are bronze drums crafted by the Dong Son culture in the Red River Delta of northern Vietnam between about 600 BC and the third century AD. Weighing up to 100 kilograms, some drums would have required the smelting of between one and seven tons of copper ore. Since the late 17th century, more than 200 such drums have been discovered from eastern Indonesia to Vietnam and parts of southern China. It is thought that the Dong Son drums were used as musical instruments in festivals, in prayers for rain and for good harvest, in rituals such as weddings and funerals, and for rallying men for war. The sides and top surface of the drums were usually decorated with geometric patterns and realistically inscribed scenes depicting daily life – for example war, animals and boats.

The unique dial of the Dong Son Tourbillon
These traditional patterns and iconography provide the inspiration for the highly-intricate dial motif of the Speake-Marin Dong Son. In fact, the Dong Son Tourbillon dial motif takes its cues from some of the most revered Dong Son drum creations, including the Hoàng Ha drum,Co Loa drum and the most important of all due to its well-preserved nature and intricate decoration, the famous Ngoc Lu drum.

The top surfaces of these drums are adorned with a central starburst and concentric circles within which are repetitive images of armed warriors and flying egrets as well as geometric hatching.The dial centre motif of the Dong Son Tourbillon follows a similar pattern to these historical masterpieces, with an outer ring of graceful egrets complemented by an inner ring featuring plumed warriors holding their weapons between the 12 points of the eye-catching starburst. These 12 points also form a neat horological reference for the central hands indicating hours, minutes and seconds.

Intricate etching
It is not just the iconography of the Dong Son drum motif that gives the Dong Son dial its vitality, but also the spectacular precision of the etching in the 1.0mm thick 18 k gold dial. The precision-etched areas of the red gold dial are 0.3 mm deep, matte finishing emphasises the ‘all white’ dial treatment and provides a stunning contrast with the circular-grained, red gold motif.

Technical details
Movement
SM/CDH Calibre SM3, 60 second tourbillon, self-winding movement with platinum mass
Indications: Central hours, minutes
Power Reserve: ~ 72 hours

Case
Piccadilly case in 18k red gold
Front and back sapphire crystals treated with antireflective coating
Diameter: 38 mm
Water Resistance: 3 bar (30 meters)

Dial
18k gold chemically etched and hand finished Dong Son dial
Hands: Central Speake-Marin signature “Foundation” style hands in heat blued steel

Strap
Alligator. Pin buckle in 18k gold

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