Which is cheaper, the Praesidus 38mm Automatic or the Seiko Prospex SPEEDTIMER?

At MSRP the Praesidus 38mm Automatic is the cheaper of the two at $680, against $2,200 for the Seiko Prospex SPEEDTIMER — a $1,520 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm Automatic or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER wears larger at 42mm versus 38mm for the Praesidus 38mm Automatic — a 4mm difference across the dial.

Which has better water resistance, the Praesidus 38mm Automatic or the Seiko Prospex SPEEDTIMER?

The Praesidus 38mm Automatic is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER.

What movement does the Praesidus 38mm Automatic run compared to the Seiko Prospex SPEEDTIMER?

The Praesidus 38mm Automatic runs a automatic caliber (Seiko NH35), while the Seiko Prospex SPEEDTIMER runs a quartz (5X83).

Side by side

Praesidus 38mm AutomaticvsSeiko Prospex SPEEDTIMER

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

Praesidus 38mm Automatic

P-38-HP-GRSG

MSRP $680

Seiko Prospex SPEEDTIMER

ssh165j1

MSRP $2,200

At a glance

14 of 29 specs differ

Diameter

38mm Automatic38mm

Prospex SPEEDTIMER42mm

Power Reserve

38mm Automatic40h

Prospex SPEEDTIMER40h

Water Resistance

38mm Automatic100m

Prospex SPEEDTIMER100m

MSRP

38mm Automatic$680

Prospex SPEEDTIMER$2,200

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Dial Color

38mm Automatic

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

5X83

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$680

$2,200

Follow this matchup

Get a note when Praesidus 38mm Automatic vs Seiko Prospex SPEEDTIMER gets more votes, a community discussion, or a price drop. No account needed.

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.

Zelosmicro

Adjacent matchups

People also compared

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

Seiko Prospex SPEEDTIMERvsZelos Swordfish Field 38 Maen Manhattan 37 IFL EditionvsSeiko Prospex SPEEDTIMER Spinnaker Hull California (Olive Oyl Red)vsSeiko Prospex SPEEDTIMER Mr Jones Watches Beam me up! mechanicalvsSeiko Prospex SPEEDTIMER Dryden Chrono Diver Gen 2vsPraesidus 38mm Automatic Astor + Banks ChronovsPraesidus 38mm Automatic

Edit this comparison Add another watch Explore more 37–43mm watches

Praesidus 38mm AutomaticvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

Follow this matchup

More watches worth a look

Swordfish Field 38

Chrono Diver Gen 2

Manhattan 37 IFL Edition

Chrono

Hull California (Olive Oyl Red)

Beam me up! mechanical

Khaosify mechanical

Fleuss Chronograph

People also compared