Side by side

MKII Project 300vsSinn T50 GBDR

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

What people say

Owners + reviewers, side by side

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

MKII Project 300

Owners widely praise the MKII Project 300 for its balanced aesthetic, with one owner noting its lume "glows like a torch." Reviewers highlight its design as a dive watch inspired by the Omega Seamaster 300, emphasizing high legibility with a bold yet balanced appearance. One owner found the 41.25mm case fit their wrist perfectly. Overall, owners and reviewers rate the MKII Project 300 highly for its striking lume and well-proportioned dive watch design.

From video reviewers

The 39.5mm case size fits most wrists well. The watch offers 200M water resistance. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

Sinn T50 GBDR

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

At a glance

19 of 29 specs differ
Diameter
Project 30041.25mm
T50 GBDR41mm
Power Reserve
Project 300
T50 GBDR38h
Water Resistance
Project 300300m
T50 GBDR500m
MSRP
Project 300$1,995
T50 GBDR$4,428

Full specifications

Case

8 specs
Category
Diver
Diameter
41.25mm
41mm
Thickness
13.45mm
12.3mm
Lug-to-Lug
48mm
Material
Stainless Steel
Titanium
Finish
bead-blasted
Water Resistance
300m
500m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Dial Color
Black
Indices
Lume
None
Luminescent

Movement

5 specs
Caliber
ETA 2824-2
SW 300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
38h
Jewels
0
25
Complications
None
Date

Pricing

1 specs
MSRP
$1,995
$4,428
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.

Follow this matchup

Get a note when MKII Project 300 vs Sinn T50 GBDR gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.