Side by side

RZE AspirarevsGrand Seiko SBGE307

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

Aspirare
RZEAspirare
MSRP $699
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

13 of 29 specs differ
Diameter
Aspirare44mm
SBGE30744.5mm
Power Reserve
Aspirare40h
SBGE30772h
Water Resistance
Aspirare200m
SBGE307200m
MSRP
Aspirare$699
SBGE307$11,500

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
44.5mm
Thickness
13mm
14.9mm
Lug-to-Lug
53mm
50mm
Lug Width
22mm
23mm
Material
Grade 5 Titanium
Titanium
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Dial Color
White
Black

Movement

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

Pricing

1 specs
MSRP
$699
$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.

RZE Aspirare

The RZE Aspirare is widely praised for its exceptional value and build quality at $599, featuring a 44mm titanium case with UltraHex coating and a Miyota 9015 movement. Owners find the watch surprisingly comfortable, even on smaller wrists, and appreciate its modern, futuristic design and interchangeable bezel system. Some reviewers note the minute hand appears slightly short relative to the chapter ring, and the 53mm lug-to-lug may be challenging for smaller wrists. On balance, owners and reviewers rate the RZE Aspirare highly for its robust titanium construction and strong value proposition.

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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