Rolex GMT-Master 126710BLRO-0001 vs Tudor Black Bay GMT 79830RB-0001

The Rolex GMT-Master 126710BLRO-0001 and the Tudor Black Bay GMT 79830RB-0001 differ in 5 of the 16 specifications recorded for both: produced (2018/4 - 2026 vs 2018), case width (40 mm vs 41 mm), lug width (20 mm vs 22 mm), hands (Rolex Professional (Maxi) vs Proprietary) and calibre (3285 vs MT5652).

Where they differ

Specification Rolex 126710BLRO-0001Tudor 79830RB-0001
Produced 2018/4 - 2026 2018
Case width 40 mm 41 mm
Lug width 20 mm 22 mm
Hands Rolex Professional (Maxi) Proprietary
Calibre 3285 MT5652

All specifications

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Specification Rolex 126710BLRO-0001 GMT-Master Tudor 79830RB-0001 Black Bay GMT
Identity
Brand Rolex Tudor
Reference 126710BLRO-0001 79830RB-0001
Collection GMT-Master Black Bay GMT
Produced 2018/4 - 2026 2018
Limited edition No No
Gender — mens
Case
Case width 40.00 mm 41.00 mm
Lug width 20.00 mm 22.00 mm
Case material Stainless Steel Stainless Steel
Case shape Round Round
Case back Closed Closed
Water resistance 100 m —
Crystal & dial
Crystal material Sapphire Sapphire
Dial colour Black Black
Hour markings Stick / Dot Stick / Dot
Hands Rolex Professional (Maxi) Proprietary
Time display Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
Date display Date Date
Movement
Movement type Automatic Automatic
Calibre 3285 MT5652
Jewels — 26
Power reserve — 70 hours
Beat rate — 28800 bph
Crown & functions
Crown position — 03:00
Moonphase — No
Bezel
Bezel function Rotating, 24 Hour Rotating, 24 Hour
Bezel markings — Rotating, 0-60 (Dive)

Identity

Brand

Rolex
Tudor

Reference

126710BLRO-0001
79830RB-0001

Collection

GMT-Master
Black Bay GMT

Produced

2018/4 - 2026
2018

Limited edition

No
No

Gender

—
mens

Case

Case width

40.00 mm
41.00 mm

Lug width

20.00 mm
22.00 mm

Case material

Stainless Steel
Stainless Steel

Case shape

Round
Round

Case back

Closed
Closed

Water resistance

100 m
—

Crystal & dial

Crystal material

Sapphire
Sapphire

Dial colour

Black
Black

Hour markings

Stick / Dot
Stick / Dot

Hands

Rolex Professional (Maxi)
Proprietary

Time display

Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)

Date display

Date
Date

Movement

Movement type

Automatic
Automatic

Calibre

3285
MT5652

Jewels

—
26

Power reserve

—
70 hours

Beat rate

—
28800 bph

Crown & functions

Crown position

—
03:00

Moonphase

—
No

Bezel

Bezel function

Rotating, 24 Hour
Rotating, 24 Hour

Bezel markings

—
Rotating, 0-60 (Dive)

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