Side by side
Casio EFS-S650DvsSeestern MoonPhase Master Automatic S401
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
13 of 29 specs differDiameter
EFS-S650D40.9mm
MoonPhase Master Automatic S40141mm
Power Reserve
EFS-S650D—
MoonPhase Master Automatic S401—
Water Resistance
EFS-S650D100m
MoonPhase Master Automatic S40150m
MSRP
EFS-S650D$250
MoonPhase Master Automatic S401$200
Full specifications
Case
7 specsCategory
Chronograph
—
Diameter
40.9mm
41mm
Thickness
11.7mm
13.5mm
Lug-to-Lug
46.7mm
0mm
Lug Width
—
0mm
Finish
—
—
Water Resistance
100m
50m
Crystal & Dial
2 specsAR Coating
Yes
—
Dial Color
Black
—
Movement
3 specsCaliber
—
Seagull ST2528
Type
Quartz
Automatic
Power Reserve
—
0h
Pricing
1 specsMSRP
$250
$200
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 Casio EFS-S650D vs Seestern MoonPhase Master Automatic S401 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.
Knot Watches TSC-40TI ChronographvsSeestern MoonPhase Master Automatic S401Duxot Accelero ChronographvsSeestern MoonPhase Master Automatic S401Seestern MoonPhase Master Automatic S401vsSpecht & Sohne Specht & Söhne SP0010 QuartzHenry Archer KvantumvsSeestern MoonPhase Master Automatic S401Casio EFS-S650DvsSpinnaker Tesei TitaniumCasio EFS-S650DvsLilienthal Berlin Neolux Silver Brown










