Tissot Seastar 1000vsUnimatic Modello Uno U1S-GMT-RR

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Tissot Seastar 1000 at true scale

Seastar 1000

Unimatic Modello Uno U1S-GMT-RR at true scale

Modello Uno U1S-GMT-RR

Diameter

40mm

40mm

Thickness

12.5mm

n/a

Water Resistance

300m

300m

Power Reserve

80h

n/a

MSRP

$875

lowest

$2,060

Movement

Tissot Powermatic 80

ETA 2893-2

Case

3 specs
Thickness
12.48mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
20mm
n/a

Crystal & Dial

4 specs
AR Coating
Yes
n/a
Dial Color
Graded grey-black
n/a
Indices
Indexes
n/a
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
Tissot Powermatic 80
ETA 2893-2
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$875
$2,060
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tissot Seastar 1000

Owners widely praise the Tissot Seastar 1000 for its value and solid build, with one reviewer calling it a comfortable, sporty, and affordable everyday watch with a great case and dial ratio. However, some owners find the Tissot Seastar 1000 too large and poorly proportioned, citing small indices on larger dials and a difficult-to-read bezel. Criticisms also include a non-reflective crystal causing glare, mediocre lume, and a subpar bracelet, with some feeling it is underwhelming for the price compared to other divers. Overall, owners rate the Tissot Seastar 1000 highly for its value and solid build at the price point.

From video reviewers

The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.

Unimatic Modello Uno U1S-GMT-RR

Owners praise the Unimatic Modello Uno U1S-GMT-RR for its recognizable minimalist design and excellent case finishing, with one owner finding the price impressive for the quality. The watch features a 40mm brushed stainless steel case and a matte black dial with Super-Luminova markers. Some reviewers note the 120-click 24-hour bezel would be more purposeful with hourly clicks, and one owner finds its lume useless at night. The Seiko NH34A automatic movement is stated to run with an accuracy of -20/+40 seconds per day. On balance, owners and reviewers appreciate the Unimatic Modello Uno U1S-GMT-RR for its utilitarian aesthetic and build quality, despite some functional critiques of the bezel and lume.