Side by side

Praesidus Neptune 44vsGrand Seiko SBGE307

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

Neptune 44
PraesidusNeptune 44
MSRP $550
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

13 of 29 specs differ
Diameter
Neptune 4444mm
SBGE30744.5mm
Power Reserve
Neptune 4440h
SBGE30772h
Water Resistance
Neptune 44200m
SBGE307200m
MSRP
Neptune 44$550
SBGE307$11,500

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
44mm
44.5mm
Thickness
14.9mm
Lug-to-Lug
50mm
Lug Width
22mm
23mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$550
$11,500

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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 Neptune 44

The dial details and historical elements, including fragments from Iwo Jima battlefield relics, are praised. The bracelet exhibits rattle. Reviewers disagree on the use of faux patina on the dial.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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