THE SPIRIT OF LAND AND SEA
Remaining faithful to the Black Bay aesthetic, the Black Bay Chrono S&G model makes the famous “snowflake” hands - the signature of TUDOR divers’ watches since 1969 - its own in a gold version refined for optimum readability against the domed matt-black dial. Its counters are hollowed and their champagne-colour creates optimum contrast. Following the TUDOR chronograph tradition, a date aperture is positioned at 6 o’clock.
The main Black Bay characteristics are retained, in a slim 41-millimetre steel case and equipped with yellow-gold pushers inspired by the very first generation of TUDOR chronographs. A fixed bezel in yellow gold with a black anodised aluminium insert and tachymetric scale completes the face of this elegant, sporty chronograph.
THE MANUFACTURE CHRONOGRAPH CALIBRE MT5813
With a 70-hour power reserve, a silicon balance spring and Official Swiss Chronometer Testing Institute certification, the Manufacture chronograph Calibre MT5813 that drives the Black Bay Chrono S&G model is a higher movement performance. It was designed in the purest watchmaking tradition, with a column-wheel mechanism and vertical clutch. In keeping with the TUDOR philosophy of quality, it presents extraordinary robustness and reliability, guaranteed by an array of extreme tests applied to all TUDOR products.
Derived from the Manufacture chronograph calibre Breitling 01, with a high-precision regulating organ developed by TUDOR and dedicated finishes, this movement is the result of a lasting collaboration between the two brands. They have chosen to pool their expertise in the design and production of certain mechanical movements, which they use jointly.
Technical specifications
REFERENCE 79363N
CASE
41 mm steel case with polished
and satin finish
BEZEL
Fixed yellow gold bezel with matt black anodised aluminium disc
with tachymetric scale, yellow gold markings
WINDING CROWN
Yellow gold screw-down winding crown with the TUDOR rose in relief
Yellow gold screw-down pushers at 2 and 4 o’clock
DIAL
Black with champagne-coloured
counters, domed
Date at 6 o’clock
CRYSTAL
Domed sapphire crystal
WATERPROOFNESS Waterproof to 200 m (660 ft)
BRACELET
Riveted steel and yellow gold bracelet, polished and satin finish,
or in brown leather with removable bund, with folding clasp and safety
catch, or black fabric strap with buckle
MOVEMENT
CALIBRE
Manufacture Calibre MT5813 (COSC) with chronograph function
Self-winding mechanical chronograph movement with bidirectional rotor system
PRECISION
Swiss Chronometer officially certified by the COSC (Swiss
Official Chronometer Testing Institute)
FUNCTIONS
Central hour and minute hands
Chronograph seconds
in the centre
Chronograph 45-minute counter at 3 o’clock
Small seconds at 9 o’clock
Instantaneous date at 6 o’clock with rapid adjustment without non-correction range
Stop seconds for precise time setting
OSCILLATOR
Variable inertia balance, micro-adjustment by screw
Non-magnetic silicon balance spring
Frequency: 28,800 beats/hour (4Hz)
TOTAL DIAMETER of 30.4 mm
THICKNESS of 7.23 mm
JEWELS 41 jewels
POWER RESERVE Approximately 70 hours
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