Which is cheaper, the Praesidus A-11 SAIT or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

At MSRP the Praesidus A-11 SAIT is the cheaper of the two at $300, against $2,500 for the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition — a $2,200 gap before any retailer discounting.

Which is bigger, the Praesidus A-11 SAIT or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition wears larger at 42mm versus 38mm for the Praesidus A-11 SAIT — a 4mm difference across the dial.

Which has better water resistance, the Praesidus A-11 SAIT or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Praesidus A-11 SAIT is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition.

Which has a longer power reserve, the Praesidus A-11 SAIT or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition carries a 45-hour power reserve against 40 hours on the Praesidus A-11 SAIT.

What movement does the Praesidus A-11 SAIT run compared to the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

Both watches run automatic movements — the Praesidus A-11 SAIT uses the Seiko NH35 and the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition uses the 8R48.

Side by side

Praesidus A-11 SAITvsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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

Praesidus A-11 SAIT

P-38-SA-MB-SDCSG

MSRP $300

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

srq059j1

MSRP $2,500

At a glance

14 of 29 specs differ

Diameter

A-11 SAIT38mm

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm

Power Reserve

A-11 SAIT40h

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h

Water Resistance

A-11 SAIT100m

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m

MSRP

A-11 SAIT$300

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

SAIT

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

8R48

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$300

$2,500

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