Side by side

Sartory Billard SB05vsTudor Black Bay One 31 S&G

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

At a glance

12 of 29 specs differ
Diameter
SB0538.5mm
Black Bay One 31 S&G31mm
Power Reserve
SB0590h
Black Bay One 31 S&G50h
Water Resistance
SB0550m
Black Bay One 31 S&G100m
MSRP
SB05
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Dress
Diameter
38.5mm
31mm
Thickness
8.5mm
9.5mm
Lug-to-Lug
45.5mm
46mm
Lug Width
20mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
50m
100m
Caseback
Solid
Solid screw-down

Movement

3 specs
Caliber
LJP Cal. 7380
MT5201
Type
Manual
Automatic
Power Reserve
90h
50h

Pricing

1 specs
MSRP
$6,850

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What people say

Owners + reviewers, side by side

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

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

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.

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