Tudor Heritage Black Bay Chrono

The famous Heritage Black Bay series ushered in the first Tudor-made chronograph watch, equipped with an automatic winding movement, column wheel and vertical chronograph clutch wheel device.

    Since the introduction of the first chronograph Prince Oysterdate in 1970, Tudor has been dedicated to making watches that are closely linked to the racing world. The same goes for the diving world. Since 1954, Tudor has continuously improved the quality of its professional diving watches. The new hybrid Heritage Black Bay Chrono boldly combines the tradition of diving watches represented by the Biwan series with the essence of racing chronographs. Qicheng Biwan Chronograph retains the famous snowflake feature of the Biwan series, the ‘Snowflake’ hands. Since 1969, the ‘Snowflake’ pointer has been a trademark of the brand. Against the domed matte black dial, ideal results are achieved when reading. The sub-counter dial is hollow and has a sharp contrast. The calendar window is set at 6 o’clock. The 41 mm diameter steel case retains the distinctive features of the Biwan series, and the design of its buttons is inspired by the first generation of Tudor chronograph watches. The rounded brushed steel fixed bezel is engraved with the tachymeter scale, which makes the appearance of this new sports chronograph perfect.

Tudor manufacture
Chronograph movement MT5813

The Tudor-made chronograph MT5813, which powers the Qicheng Biwan Chronograph, is a well-deserved high-performance movement with a proud 70-hour power reserve, silicon hairspring, and Swiss Precision Timepiece Testing Center certification. It is crafted in purely traditional watchmaking, with a column wheel and a vertical timing clutch wheel. Adhering to the quality concept of Tudor, this movement is sturdy, reliable and extraordinary. To ensure the quality of the watch, all Tudor products pass a series of rigorous tests. The Tudor MT5813 chronograph movement evolved from the Breitling 01 chronograph movement. Based on the original movement, Tudor craftsmanship developed high-precision adjustment parts and applied a unique polishing and modification process. This movement is the latest collaboration between Tudor and Breitling. The two parties worked together for the design and manufacture of a specific mechanical movement, drawing on each other’s exquisite craftsmanship.

Denim style
Jacquard textured strap

The textured strap is one of the signature features of the Qi Cheng series, and Tudor is also one of the earliest brands to use the textured strap. This strap is made by a 150-year-old family-owned company in the St-Etienne region. It is woven using a 19th-century jacquard loom. The Qicheng Biwan timing model launched this time is matched with a dark blue denim wind strap, designed by Tudor, and then commissioned by the above-mentioned family business. Each Qicheng Biwan Chronograph comes with a denim wind strap, and two other strap designs are available. A steel strap inspired by the discounted riveted straps that come with the watches produced by Tudor in the 1950s and 1960s. The links on both sides of the strap are connected by rivet heads, and the structure is stepped. These design features are famous worldwide. Both aesthetic details appear on a strap at the same time, while the solid links create a modern structure. The other is a dark brown belt with a discount.

Biwan Series
Source of inspiration

The Tudor Kai Cheng Biwan Chronograph is based on the historical tradition of the Tudor watch. It combines the past characteristics and perfectly integrates ancient and modern times. The overall shape, dome-shaped dial and mirror of the new model inherit the design essence of the first Tudor diving watch. The eye-catching winding crown is derived from the ‘Big Crown’ model (model 7924) introduced by Tudor in 1958. This watch is the first Tudor watch with a water resistance of 200 meters (660 feet). In addition, the ‘snowflake’ hands on the dial are unique and angular, borrowing from the classic style of providing watches for the French Navy in the 1970s.

Kai Cheng Series

Speaking of the main characteristics of the Tudor Kai Cheng series, I have to mention its unique creative process: reinterpret the brand classics, eclectic and freely play. The first result was the TUDOR Heritage Chrono, launched in 2010, a reinterpretation of the first TUDOR chronograph watch that appeared in 1970. Since then, some of the most important masterpieces in Tudor history have been reborn in the Kai Cheng series with a new attitude. This series of watches is not simply a classic replica, but a fusion of traditional aesthetic characteristics and contemporary watchmaking technology. Biwan, as the outstanding series of Tudor Kai Cheng watches, embodies Tudor’s more than 60 years of diving watch making experience, which can be described as the perfect example of the classic design of the brand.

Tudor watch introduction

Tudor is a high-end Swiss watch brand. The mechanical watches produced are exquisite and elegant, precise and reliable, and are of excellent quality. They are excellent value for money. Tudor’s origins date back to 1926, when Rolex founder Hans Wilsdorf registered the trademark ‘The Tudor’. In 1946, he founded Montres TUDORSA, which produced watches that followed the quality concept respected by Rolex, but the price was more acceptable. Since its establishment, Tudor has been the best choice for adventure bravery in the three major fields of water, land and ice. Today, Tudor’s classic watches include the Biwan, Pelagos and Style series, and launched their own mechanical movement in 2015.

Technical specifications
Biwan timing
Model 79350
Case
Polished and matte steel case, 41 mm diameter
Outer ring
Stainless steel fixed speedometer outer ring
Black lacquered scale
Power reserve
Approx. 70 hours
Winding crown
Stainless steel screw-in winding crown
Black lacquered Tudor rose logo
With black anodized aluminum winding crown shaft
dial
Black, arched
Mirror
Domed sapphire crystal
waterproof
Water-resistant to 200 meters (660 feet)
Strap
Steel or leather strap
With discount and insurance deduction
Comes with a textured strap with buckle
Movement
Movement model
Tudor movement MT5813
Mechanical movement with automatic winding mechanism
Precise
Swiss Precision Timepiece Testing Center (COSC)
Certification of the Swiss Observatory
Features
Central hour and minute hands
Central chronograph seconds hand
Small 45-minute counter at 3 o’clock
Small seconds dial at 9 o’clock
Fast-adjusting instant jump calendar at 6 o’clock
No adjustment time limit
Stop-seconds function for precise time adjustment
Balance with hairspring
Inertial fine adjustment balance wheel, fine adjustment screw
Non-magnetic silicon hairspring
Frequency:
28,800 times per hour (4 Hz)
Total diameter
30.4 mm
thickness
7.23 mm
Number of gems
41
Power reserve
About 70 hours