Side by side

Isotope GMT 0ºvsSpinnaker Hass Automatic

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

Add a watch
GMT 0º
IsotopeGMT 0º
MSRP $1,325
See the full GMT 0º
Hass Automatic
SpinnakerHass Automatic
MSRP $445
See the full Hass Automatic
Buy from Isotope ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

11 of 29 specs differ
Diameter
GMT 0º41.5mm
Hass Automatic43mm
Power Reserve
GMT 0º40h
Hass Automatic—
Water Resistance
GMT 0º200m
Hass Automatic300m
MSRP
GMT 0º$1,325
Hass Automatic$445

Full specifications

Case

7 specs
Category
—
Diver
Diameter
41.5mm
43mm
Thickness
14.2mm
16.5mm
Lug-to-Lug
0mm
50mm
Lug Width
0mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
—
Flying Dutchman

Movement

2 specs
Caliber
—
Seiko NH35
Power Reserve
40h
0h

Pricing

1 specs
MSRP
$1,325
$445
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.

Melbourne Watch Company GMT
Melbourne Watch Companymicro

GMT

4 variantsSeries
42mm·Automatic·100m WR
$986MSRP
—Used
Borealis Watch Co. Caloura 300m
Borealis Watch Co.micro

Caloura 300m

4 variantsCaloura 300m
42mm·Automatic·300m WR
$275MSRP
—Used
Sheffield GMT
Sheffieldmicro

GMT

2 variantsSeries
40mm·Automatic·200m WR
—MSRP
—Used
Duxot Atlantica Deep Dive Automatic Limited Edition
Duxotmicro

Atlantica Deep Dive Automatic Limited Edition

7 variantsAtlantica Deep
44mm·Automatic·1000m WR
$439MSRP
—Used
Farer GMT
Farermicro

GMT

3 watches · 8 variantsGMT
39.5mm·Automatic·100m WR
$1,375MSRP
—Used
Zelos Hammerhead V3 300m Titanium
Zelosmicro

Hammerhead V3 300m Titanium

2 watches · 16 variantsHammerhead V3
44mm·Automatic·300m WR
$559MSRP
—Used
Marloe Watch Company GMT
Marloe Watch Companymicro

GMT

3 watches · 8 variantsGMT
42mm·Automatic
$599MSRP
—Used
Orologi Calamai GMT Automatico
Orologi Calamaimicro

GMT Automatico

39mm·Automatic
—MSRP
—Used
All alternatives to the GMT 0º →All alternatives to the Hass Automatic →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

DuFrane Watches Whitney Lauren Collaboration 2025vsSpinnaker Hass AutomaticGeckota PhalanxvsSpinnaker Hass AutomaticCarlingue Timepieces CARL-AVI-01 / CT-002vsSpinnaker Hass AutomaticPinion ReaxisvsSpinnaker Hass AutomaticAudaz ADZ-2070vsIsotope GMT 0ºDraken TugelavsIsotope GMT 0º
Edit this comparisonAdd another watchExplore more 40–44mm watches