Side by side

Casio EFS-S650DvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch
EFS-S650D
CasioEFS-S650D
MSRP $250
See the full EFS-S650D
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition
SeikoProspex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition
MSRP $700
See the full Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition
Buy from Casio ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Buy from Seiko ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

12 of 29 specs differ
Diameter
EFS-S650D40.9mm
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition39mm
Power Reserve
EFS-S650D—
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition—
Water Resistance
EFS-S650D100m
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition100m
MSRP
EFS-S650D$250
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition$700

Full specifications

Case

5 specs
Diameter
40.9mm
39mm
Thickness
11.7mm
13.3mm
Lug-to-Lug
46.7mm
45.5mm
Lug Width
—
20mm
Finish
—
—

Crystal & Dial

4 specs
Crystal Shape
—
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Black
—
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
—
Seiko V192
Power Reserve
—
0h

Pricing

1 specs
MSRP
$250
$700
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Islander Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282
Islandermicro
Under $50

Islander Calverton Flight Chronograph Alarm Watch with Black Dial #ISL-282

9 watches · 9 variantsUnder $50
41.8mm·Quartz·200m WR
$449MSRP
—Used
Yema Rallygraf Meca-Quartz II
Yemamicro

Rallygraf Meca-Quartz II

4 watches · 10 variantsRallygraf
40mm·Quartz
$450MSRP
—Used
Straton Straton Classic Driver MKII
Stratonmicro
ClassicStraton

Straton Classic Driver MKII

9 watches · 78 variantsStraton
40mm·Quartz·200m WR
$299MSRP
—Used
Dan Henry 1964
Dan Henrymicro

1964

12 variants1964
38mm·Quartz
$300MSRP
—Used
Dryden Chrono Diver Gen 2
Drydenmicro

Chrono Diver Gen 2

3 watches · 18 variantsChrono Diver
42mm·Quartz·101m WR
$450MSRP
—Used
Duxot Accelero Chronograph Compax Skeleton Edition
Duxotmicro

Accelero Chronograph Compax Skeleton Edition

3 variantsAccelero Chronograph
40mm·Quartz·100m WR
$199MSRP
—Used
Praesidus Type H-75
Praesidusmicro

Type H-75

4 variantsType H-75
39mm·Quartz·100m WR
$245MSRP
—Used
Geckota GT Racing Chronograph
Geckotamicro

GT Racing Chronograph

3 variantsGT Racing
40mm·Quartz
$399MSRP
—Used
All alternatives to the EFS-S650D →All alternatives to the Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition →
Explore the full catalog

Follow this matchup

Get a note when Casio EFS-S650D vs Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Knot Watches TSC-40TI ChronographvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited EditionDuxot Accelero ChronographvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited EditionSpecht & Sohne Specht & Söhne SP0010 QuartzvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited EditionHenry Archer KvantumvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited EditionCasio EFS-S650DvsDan Henry 1964Casio EFS-S650DvsColomer & Sons Marine Chrono
Edit this comparisonAdd another watchMore chronograph comparisonsBest Chronograph Watches Under $500Explore more 38–42mm watches