Side by side

Tudor Black Bay One 31 S&GvsTudor Monarch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850
Monarch
TudorMonarch
MSRP $5,875

At a glance

14 of 29 specs differ
Diameter
Black Bay One 31 S&G31mm
Monarch39mm
Power Reserve
Black Bay One 31 S&G50h
Monarch65h
Water Resistance
Black Bay One 31 S&G100m
Monarch100m
MSRP
Black Bay One 31 S&G$6,850
Monarch$5,875

Full specifications

Case

4 specs
Category
Diameter
31mm
39mm
Thickness
9.5mm
11.9mm
Lug Width
17mm
20mm

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Champagne

Movement

6 specs
Caliber
MT5201
MT5662-2U
Beat Rate
28,800 vph
0 vph
Power Reserve
50h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$6,850
$5,875

Follow this matchup

Get a note when Tudor Black Bay One 31 S&G vs Tudor Monarch gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

Tudor Monarch

The Tudor Monarch is praised for its crisp case finishing, solid H-link bracelet with T-fit clasp, and a 39mm size that wears well, though its eclectic neoclassical dial design is noted. It features a METAS-certified Master Chronometer movement with a 65-hour power reserve, visible through a display case back. The watch has a vintage-inspired dial with a unique champagne color and California layout, though it lacks lume and its modern, angular 39mm case doesn't wear smaller than its dimensions suggest. Its 11.9mm thickness is noted as a bit disappointing, but faceted case sides and box sapphire crystals contribute to a slender wearing experience. On balance, reviewers praise the Tudor Monarch for its sharp case finishing and Master Chronometer movement at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.