Side by side

Massena LAB Uni-RacervsZelos Skyraider 40 Skeleton

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

Uni-Racer
Massena LABUni-Racer
MSRP $3,495
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

13 of 29 specs differ
Diameter
Uni-Racer39mm
Skyraider 40 Skeleton40mm
Power Reserve
Uni-Racer58h
Skyraider 40 Skeleton40h
Water Resistance
Uni-Racer50m
Skyraider 40 Skeleton50m
MSRP
Uni-Racer$3,495
Skyraider 40 Skeleton$1,999

Full specifications

Case

5 specs
Category
Chronograph
Skeleton
Diameter
39mm
40mm
Thickness
9mm
8.2mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
Titanium

Crystal & Dial

4 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Domed
Flat
AR Coating
No
Inner
Dial Color
White
Ti Damascus LE

Movement

3 specs
Caliber
SW510 BH M Elaboré
Swiss Skeletonised Marvin 700
Power Reserve
58h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$3,495
$1,999

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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.

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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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