Side by side
Serket Watch Co Reef MarianavsUndone Ronin Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
At a glance
8 of 29 specs differDiameter
Reef Mariana40mm
Ronin Automatic40mm
Power Reserve
Reef Mariana—
Ronin Automatic—
Water Resistance
Reef Mariana200m
Ronin Automatic100m
MSRP
Reef Mariana$449
Ronin Automatic$380
Full specifications
Case
4 specsThickness
13.2mm
0mm
Lug-to-Lug
47.5mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Sapphire
—
Dial Color
Orange
—
Lume
BGW9
None
Pricing
1 specsMSRP
$449
$380
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 Serket Watch Co Reef Mariana vs Undone Ronin Automatic 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.
Filippo Loreti Watches AquadivervsUndone Ronin AutomaticOut of Order CasanovavsUndone Ronin AutomaticUndone Ronin AutomaticvsVertigo Watches TritoneUgly Watch Co 300mDvsUndone Ronin AutomaticSerket Watch Co Reef MarianavsUndone Texas Holdem pokerFilippo Loreti Watches Superman Diver AutomaticvsSerket Watch Co Reef Mariana