Tudor
North Flag
M91210N-0002
The North Flag embodies the spirit of the watch that inspired it, a model worn by the British North Greenland Expedition in 1952. The soul of the Tudor North Flag belongs to the coldest and most remote extremities of the planet. With its sporty lines and hybrid steel-ceramic components, this finely honed “scientific” instrument of unprecedented technical content is the modern adventurer’s solid companion.
TECHNICAL DETAILS
Collection
TUDOR North Flag
Reference Number
91210N
Description
40 mm steel case, black leather strap
Material
Steel and Ceramic
Case
40 mm steel case with satin finish, open back with sapphire crystal
Bezel
Double bezel in steel and ceramic
Bracelet
Leather
Movement
Manufacture Calibre MT5621 (COSC) Self-winding mechanical movement with bidirectional rotor system
Dial
Dark-Coloured Dial
Winding
Steel winding crown with TUDOR logo
Crystal
Sapphire crystal
Waterproofness
Waterproof to 100 m (330 ft)

Powering the model is the Manufacture Calibre MT5621, which is visible through a sapphire crystal in the case back and provides an impressive power reserve of approximately 70 hours. The North Flag features an instant date display visible through an aperture positioned at 3 o’clock and a power reserve indicator in the form of a disc at 9 o’clock. Unlike Tudor's other watches with a monobloc body, the North Flag features a middle case that is slightly different. It's angular, finely honed and entirely satin-finished for a matt effect.


The North Flag is available with a solid, satin-finished steel bracelet that is integrated with its case, a design that requires particularly delicate modelling work for optimum ergonomics and ideal fluidity of the lines. It is also available with a black leather strap with yellow stitching and yellow leather lining with folding clasp and safety catch.
