Which is cheaper, the Praesidus DD-45 or the Grand Seiko SBGX355?

At MSRP the Praesidus DD-45 is the cheaper of the two at $299, against $4,100 for the Grand Seiko SBGX355 — a $3,801 gap before any retailer discounting.

Which is bigger, the Praesidus DD-45 or the Grand Seiko SBGX355?

The Praesidus DD-45 wears larger at 40mm versus 37mm for the Grand Seiko SBGX355 — a 3mm difference across the dial.

What movement does the Praesidus DD-45 run compared to the Grand Seiko SBGX355?

Both watches run quartz movements — the Praesidus DD-45 uses the Ameriquartz USA and the Grand Seiko SBGX355 uses the 9F62.

Side by side

Praesidus DD-45vsGrand Seiko SBGX355

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

Praesidus DD-45

praesidus-dd-45

MSRP $299

Grand Seiko SBGX355

sbgx355g

MSRP $4,100

At a glance

11 of 29 specs differ

Diameter

DD-4540mm

SBGX35537mm

Power Reserve

DD-4540h

SBGX35540h

Water Resistance

DD-45100m

SBGX355100m

MSRP

DD-45$299

SBGX355$4,100

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

Black

Movement

1 specs

Caliber

Ameriquartz USA

9F62

Pricing

1 specs

MSRP

$299

$4,100

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Praesidus DD-45

The Praesidus DD-45 is lauded for its detailed vintage-inspired design and solid finishing, with reviewers highlighting the impressive aged indices and hands on the "Patina" version and a well-finished 38mm steel case. Its 100-meter water resistance exceeds that of the original military watches, and the included leather strap is praised for its quality and vintage character, despite initial stiffness. One reviewer notes the Landeron movement exhibits jerky hand-winding. Overall, reviewers rate the Praesidus DD-45 highly for its faithful vintage aesthetic and robust build at its $900 price point.

A Blog to Watch

Fratello

Grand Seiko SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

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