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Home/Browse/Tudor/Black Bay GMT
Tudor Black Bay GMT — Black
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Tudor Black Bay GMT

Ref. m79830rb-0001
GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

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Retail MSRP
$5,275
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Alternatives
Case
41mm
Power Reserve
70h
Movement
Automatic
Water Resistance
200m
Crystal
Sapphire
01

Case Dimensions

Diameter41mm
Thickness14.6mm
Lug-to-Lug—
Lug Width22mm
02

Case Build

MaterialStainless Steel
FinishPolished + Satin
Water Resistance200m
CasebackSolid screw-down
03

Crystal & Dial

CrystalSapphire
Dial ColorBlack
04

Movement

Caliber
MT5652
TypeAutomatic
Beat Rate—
Power Reserve70 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsGMT
05

Design Language

Dial styleMatte
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell

The Tudor Black Bay GMT (ref. m79830rb-0001) is an automatic gmt watch, with a 41mm stainless steel case, 14.6mm thick, powered by the MT5652 movement and a 70-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal, with gmt complications. Manufacturer MSRP is $5,275.

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