Side by side
Erebus Watches Origin GMTvsSynchron Poseidon
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Origin GMT41mm
Poseidon41mm
Power Reserve
Origin GMT—
Poseidon68h
Water Resistance
Origin GMT200m
Poseidon300m
MSRP
Origin GMT—
Poseidon—
Full specifications
Case
5 specsThickness
12.9mm
11.9mm
Lug-to-Lug
47mm
45mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
—
Sunshine Yellow
Lume
BGW9 Super-LumiNova
None
Movement
2 specsCaliber
Seiko NH34
La Joux-Perret G100
Power Reserve
—
68h
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 Erebus Watches Origin GMT vs Synchron Poseidon 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.













