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Tudor Black Bay Chrono

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Tudor Black Bay Chrono "CARBON 25"

Model: 79377KN-0001, Limited to 2025 

Case:
42mm redesigned carbon fibre case, titanium pushers

Movement:
Manufacture Calibre MT5813 (COSC) with chronograph function
Self-winding mechanical chronograph movement with bidirectional rotor system, power reserve of approximately 70 hours

Waterproofness:
Waterproof to 200 m (660 ft)

Bezel:
Fixed carbon fibre bezel with tachymetric markings, all one piece

Dial:
“Racing white” with luminous black counters, domed


Crystal:
Domed sapphire crystal

Bracelet:
Hybrid leather-rubber strap with “tire pattern”

Five-year transferable guarantee with no registration or periodic maintenance checks required

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If you’ve been planning to treat yourself, why not visit our store for the best price possible. Hettich offers sizeable savings on UK recommended retail prices. Visit our store in St Helier, Jersey to benefit from VAT-free prices.

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Ring Size Guide
Inside Diameter Inside Circumference Sizes
(in) (mm) (in) (mm) UK & CI
0.586 14.88 1.84 46.8 H
0.602 15.29 1.89 48.0 I
0.618 15.7 1.94 49.3 J ½
0.634 16.1 1.99 50.6 K ½
0.65 16.51 2.04 51.9 L ½
0.666 16.92 2.09 53.1 M ½
0.682 17.32 2.14 54.4 N ½
0.698 17.73 2.19 55.7 O ½
0.714 18.4 2.24 57.0 P ½
0.73 18.54 2.29 58.3 Q ½
0.746 18.95 2.34 59.5 R ½
0.762 19.35 2.39 60.8 S ½
0.778 19.76 2.44 62.1 T ½
0.794 20.17 2.49 63.4 U ½
0.81 20.57 2.54 64.6 V ½
0.826 20.98 2.59 65.9 W ½
0.842 21.39 2.65 67.2 X ½