Side by side
A-13A A-13AvsCastor Watches KOI DARK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
A-13A42mm
KOI DARK38mm
Power Reserve
A-13A—
KOI DARK—
Water Resistance
A-13A100m
KOI DARK50m
MSRP
A-13A—
KOI DARK—
Full specifications
Case
6 specsDiameter
42mm
38mm
Thickness
13.4mm
7mm
Lug-to-Lug
50.8mm
—
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Sapphire
Mineral
Dial Color
—
Copper
Movement
1 specsCaliber
ETA 251.264
Miyota 2035
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 A-13A vs Castor Watches KOI DARK 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.
Castor Watches KOI DARKvsSmiths PRECISTA MISSION TIMER PRS-56Autran & Viala OPERA 41vsCastor Watches KOI DARKBalticus Watches Balticus Perun Chrono Moonphase - Limited EditionvsCastor Watches KOI DARKBalticus Watches Balticus Volans ChronografvsCastor Watches KOI DARKA-13AvsCastor Watches ÁRBOL DARKA-13AvsCastor Watches LEON

















