Side by side
Xicorr Watches FSO M20.21vsZelos Spearfish GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
FSO M20.2142mm
Spearfish GMT40mm
Power Reserve
FSO M20.2142h
Spearfish GMT40h
Water Resistance
FSO M20.21100m
Spearfish GMT200m
MSRP
FSO M20.21$631
Spearfish GMT$999
Full specifications
Case
7 specsCategory
—
GMT
Diameter
42mm
40mm
Thickness
11.7mm
13mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Black
Frost
Lume
SuperLuminova
None
Movement
2 specsCaliber
Seagull ST2130
Sellita SW330-2
Power Reserve
42h
40h
Pricing
1 specsMSRP
$631
$999
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 Xicorr Watches FSO M20.21 vs Zelos Spearfish GMT 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.













