Side by side

Praesidus DD-45vsGrand Seiko SBGR321

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

DD-45
PraesidusDD-45
MSRP $299
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

11 of 29 specs differ
Diameter
DD-4540mm
SBGR32140mm
Power Reserve
DD-4540h
SBGR32172h
Water Resistance
DD-45100m
SBGR321100m
MSRP
DD-45$299
SBGR321$5,200

Full specifications

Case

4 specs
Category
Field
Dress
Thickness
13mm
Lug-to-Lug
46.5mm
46.6mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
OG
Black

Movement

3 specs
Caliber
Ameriquartz USA
9S65
Type
Quartz
Automatic
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$299
$5,200

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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.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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