Side by side
MKII Project 300vsSinn U18
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Project 30041.25mm
U1844mm
Power Reserve
Project 300—
U1842h
Water Resistance
Project 300300m
U182,000m
MSRP
Project 300$1,995
U18$3,488
Full specifications
Case
8 specsCategory
—
Diver
Diameter
41.25mm
44mm
Thickness
13.45mm
15.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
high-strength
Finish
Brushed and polished
—
Water Resistance
300m
2000m
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
—
Black
Indices
Applied
—
Movement
2 specsCaliber
ETA 2824-2
SW300-1
Power Reserve
—
42h
Pricing
1 specsMSRP
$1,995
$3,488
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 U18 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Magrette KaitiakivsSinn U18Pook Watches Ilmari40vsSinn U18CWC 1980 RN Divers Automatic Re-Issue WatchvsSinn U18Crafter Blue Mechanic Ocean Mark IIvsSinn U18Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsMKII Project 300Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsMKII Project 300














