Side by side

Chronotechna SeaQuest DivevsSeiko Prospex SPEEDTIMER

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

Add a watch
SeaQuest Dive
ChronotechnaSeaQuest Dive
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
Buy from Chronotechna ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
SeaQuest Dive42mm
Prospex SPEEDTIMER42.5mm
Power Reserve
SeaQuest Dive41h
Prospex SPEEDTIMER45h
Water Resistance
SeaQuest Dive300m
Prospex SPEEDTIMER100m
MSRP
SeaQuest Dive—
Prospex SPEEDTIMER$3,000

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
42mm
42.5mm
Thickness
12.36mm
15.1mm
Lug-to-Lug
47.67mm
50mm
Lug Width
22mm
20mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN Dark Grey X1 Grade
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
8R46
Power Reserve
41h
45h
Jewels
25
34

Pricing

1 specs
MSRP
—
$3,000
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.

Venezianico Nereide Aureo 42
Venezianicomicro

Nereide Aureo 42

Ref. nereide-aureo-4521590s
42mm·Automatic·200m WR
$1,495MSRP
—Used
Bremont Terra Nova 42.5 Chronograph
Bremontmicro

Terra Nova 42.5 Chronograph

3 watches · 23 variantsTerra Nova
42.5mm·Automatic·100m WR
$5,700MSRP
—Used
William Wood Triumph Chronograph
William Woodmicro

Triumph Chronograph

4 watches · 6 variantsTriumph
41mm·Automatic·100m WR
$2,525MSRP
—Used
CWC E9 Automatic Diver Watch
CWCmicro

E9 Automatic Diver Watch

Ref. cwc-e9-automatic-diver-watch-sf300-e9-as120
41mm·Automatic·300m WR
$1,391MSRP
—Used
Yema Flygraf Navigator
Yemamicro

Flygraf Navigator

5 watches · 7 variantsFlygraf
40mm·Automatic·100m WR
$1,199MSRP
—Used
CWC RN Automatic Divers Watch Mk.2 with Date
CWCmicro
RN Divers

RN Automatic Divers Watch Mk.2 with Date

Ref. cwc-royal-navy-diver-automatic-mk2-with-date
41mm·Automatic·300m WR
$1,249MSRP
—Used
Bremont Supermarine Chrono
Bremontmicro

Supermarine Chrono

8 watches · 39 variantsSupermarine
43mm·Automatic·300m WR
$6,850MSRP
—Used
Limes Endurance II
Limesmicro

Endurance II

3 variantsRef.
41.5mm·Automatic·300m WR
—MSRP
—Used
All alternatives to the SeaQuest Dive →All alternatives to the Prospex SPEEDTIMER →
Explore the full catalog

Follow this matchup

Get a note when Chronotechna SeaQuest Dive vs Seiko Prospex SPEEDTIMER 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.

Chronotechna SeaQuestvsSeiko Prospex SPEEDTIMERChronotechna SeaQuest Dive Nanga ParbatvsSeiko Prospex SPEEDTIMERVenezianico Nereide Aureo 42vsSeiko Prospex SPEEDTIMERVenezianico Nereide MalachitevsSeiko Prospex SPEEDTIMERBremont Terra Nova 42.5 ChronographvsChronotechna SeaQuest DiveChronotechna SeaQuest DivevsWilliam Wood Triumph Chronograph
Edit this comparisonAdd another watchExplore more 41–44mm watches