Side by side

Mr Jones Watches A perfectly useless afternoon: mechanicalvsTudor Black Bay One 31 S&G

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

A perfectly useless afternoon: mechanical
Mr Jones WatchesA perfectly useless afternoon: mechanical
MSRP $750
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

12 of 29 specs differ
Diameter
A perfectly useless afternoon: mechanical40mm
Black Bay One 31 S&G31mm
Power Reserve
A perfectly useless afternoon: mechanical40h
Black Bay One 31 S&G50h
Water Resistance
A perfectly useless afternoon: mechanical
Black Bay One 31 S&G100m
MSRP
A perfectly useless afternoon: mechanical$750
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Casual
Diameter
40mm
31mm
Thickness
9.5mm
Lug-to-Lug
46mm
Lug Width
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
40mm
Black

Movement

2 specs
Caliber
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$750
$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.

Mr Jones Watches A perfectly useless afternoon: mechanical

Mr Jones Watches A perfectly useless afternoon: mechanical is widely praised for its creative and original design, making it a fun conversation starter and a well-made watch for its price point. Owners appreciate the vibrant colors and quality packaging, with one reviewer noting the 40mm case dimensions and elegant lugs. The Swiss STP1-11 movement is reported to have acceptable accuracy. Some owners, however, find the Milanese bracelet too shiny, while the nylon strap may be small in diameter for some wearers. On balance, owners and reviewers rate Mr Jones Watches A perfectly useless afternoon: mechanical highly for its unique design and good value.

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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