Skip to content
Tudor Northflag

Tudor Northflag

AutomaticSteel

Ref. M9140G1A0U-0001

Collection: Tudor NorthflagCase size: 40mmMovement: MT5652-U

Tudor Northflag reference M9140G1A0U-0001 is a GMT watch with a 40 mm steel case. The case is 12.7 mm thick and has a fixed bezel. The self-winding calibre MT5652-U carries Master Chronometer certification and a 65-hour power reserve. A sapphire crystal covers the black dial, and the case has a display back. The dial has a date at 3 o'clock, luminous hands and luminous indices. The crown is a screw-down type. The watch is fitted with an integrated steel bracelet and a steel folding clasp. Tudor rates the case to 100 metres.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 6 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

40mm

Thickness

12.7mm

Lug Width

12mm

Case Material

Steel

Water Resistance

100m

Crystal

Sapphire Crystal

Bezel Material

Steel

MOVEMENT

Movement Type

Automatic

Caliber

MT5652-U

Power Reserve

65h

Frequency

28,800 vph (4 Hz)

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Steel

Clasp Type

Fold Clasp

Clasp Material

Steel

FEATURES & COMPLICATIONS

ChronometerDateDisplay backGMTLuminous handsLuminous indicesMaster ChronometerScrew-Down Crown

More from Tudor

Show all →

Other watches with the MT5652-U calibre

Show all →

FOR WATCH DEALERS

Trading the Tudor Northflag?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.