Side by side

Circula Watches AquaSport GMTvsGrand Seiko SBGA427

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

Add a watch
AquaSport GMT
Circula WatchesAquaSport GMT
SBGA427
Grand SeikoSBGA427
MSRP $5,800
Buy from Circula Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
AquaSport GMT40mm
SBGA42739mm
Power Reserve
AquaSport GMT56h
SBGA42772h
Water Resistance
AquaSport GMT200m
SBGA427100m
MSRP
AquaSport GMT—
SBGA427$5,800

Full specifications

Case

6 specs
Category
—
Dress
Diameter
40mm
39mm
Thickness
12.6mm
12.3mm
Lug-to-Lug
46mm
46.8mm
Lug Width
20mm
19mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
Sellita SW330-2
9R65
Type
Automatic
Spring Drive
Power Reserve
56h
72h

Pricing

1 specs
MSRP
—
$5,800
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Farer GMT BEZEL
Farermicro

GMT BEZEL

2 watches · 4 variantsGMT BEZEL
38mm·200m WR
$1,325MSRP
—Used
Cincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. Legacy
Cincinnati Watch Companymicro

The Cincinnatian - Sold Out. Discontinued. Legacy

Ref. the-cincinnatian
38mm·Manual
$1,000,000MSRP
—Used
Formex Reef GMT
Formexmicro

Reef GMT

3 variantsReef GMT
42mm·Automatic·300m WR
$2,235MSRP
—Used
Yema Wristmaster Slim Small Seconds CMM.29
Yemamicro

Wristmaster Slim Small Seconds CMM.29

2 watches · 8 variantsWristmaster
39mm·Automatic·100m WR
$2,249MSRP
—Used
Nezumi Studios Aviator
Nezumi Studiosmicro
Aviera

Aviator

4 variantsRef. aviera-gmt-ref-aa3-133
40mm·Automatic·200m WR
$685MSRP
—Used
Eza 1972 Diver
Ezamicro

1972 Diver

Ref. 1972-diver-anniversary-edition
39.6mm·Automatic·200m WR
$1,411MSRP
—Used
Pompeak Sub-Aquatic
Pompeakmicro

Sub-Aquatic

3 variantsRef.
40mm·Automatic·200m WR
$915MSRP
—Used
Corniche Chronograph
Cornichemicro
Heritage

Chronograph

3 variantsRef.
39mm·Mecaquartz
$425MSRP
—Used
All alternatives to the AquaSport GMT →All alternatives to the SBGA427 →
Explore the full catalog

Follow this matchup

Get a note when Circula Watches AquaSport GMT vs Grand Seiko SBGA427 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Farer GMT BEZELvsGrand Seiko SBGA427Formex Reef GMTvsGrand Seiko SBGA427Nezumi Studios AviatorvsGrand Seiko SBGA427Pompeak Sub-AquaticvsGrand Seiko SBGA427Circula Watches AquaSport GMTvsCincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. LegacyCircula Watches AquaSport GMTvsYema Wristmaster Slim Small Seconds CMM.29
Edit this comparisonAdd another watchExplore more 38–41mm watches