Side by side

Mr Jones Watches A perfectly useless afternoon: mechanicalvsMassena LAB Uni-Racer

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
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

15 of 29 specs differ
Diameter
A perfectly useless afternoon: mechanical40mm
Uni-Racer39mm
Power Reserve
A perfectly useless afternoon: mechanical40h
Uni-Racer58h
Water Resistance
A perfectly useless afternoon: mechanical
Uni-Racer50m
MSRP
A perfectly useless afternoon: mechanical$750
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Casual
Chronograph
Diameter
40mm
39mm
Thickness
9mm
Lug-to-Lug
46mm
Lug Width
20mm
Water Resistance
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Inner
No
Dial Color
40mm
White

Movement

4 specs
Caliber
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
40h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$750
$3,495

Follow this matchup

Get a note when Mr Jones Watches A perfectly useless afternoon: mechanical vs Massena LAB Uni-Racer 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.

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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution 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.