Side by side

Phoibos Reef MastervsMassena LAB Uni-Racer

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

Reef Master
PhoibosReef Master
MSRP $335
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

16 of 29 specs differ
Diameter
Reef Master42mm
Uni-Racer39mm
Power Reserve
Reef Master40h
Uni-Racer58h
Water Resistance
Reef Master200m
Uni-Racer50m
MSRP
Reef Master$335
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
200m
50m

Crystal & Dial

5 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Yes
No
Dial Color
Green
White
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
SII NH38
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
40h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$335
$3,495

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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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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.

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