Tissot Seastar 1000vsUnimatic Modello Quattro

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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 Quattro at true scale

Modello Quattro

Diameter

36mm

40mm

Thickness

9.7mm

n/a

Water Resistance

300m

300m

Power Reserve

n/a

38h

MSRP

$515

lowest

$1,050

Movement

Quartz

Sellita SW200-1

Case

4 specs
Diameter
36mm
40mm
Thickness
9.67mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
18mm
22mm

Crystal & Dial

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

Movement

3 specs
Caliber
n/a
Sellita SW200-1
Type
Quartz
Meca-Quartz
Power Reserve
0h
38h

Pricing

1 specs
MSRP
$515
$1,050
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Reviews

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

Tissot Seastar 1000

Owners praise the Tissot Seastar 1000 for its 300m water resistance and Swiss quartz movement at its price point, with some highlighting its solid build and value. However, criticisms include ill-proportioned hands and indices, a bezel that can be hard to read, and unremarkable lume. Some owners find the bracelet clasp flimsy, and the lack of anti-reflective coating causes glare. Overall, owners rate the Tissot Seastar 1000 well for its robust water resistance and value proposition in a Swiss quartz package.

From video reviewers

The Powermatic 80 movement with its 80-hour power reserve is a shared strength. Reviewers also agree that the 40mm case size significantly improves wearability.

Unimatic Modello Quattro

Owners and reviewers praise the Unimatic Modello Quattro for its rugged tool watch aesthetic and sandblasted titanium case, which is notably lightweight. The colorful California dial on some variants is described as striking and legible in bright light, while the satin-finished dial and textured strap on others create a stylish and robust integration. However, the 22mm strap can make the 40mm case feel larger on the wrist, and the strap itself may require effort to tighten properly. Accuracy ratings vary, with one source noting ±12 seconds per day for the Sellita SW200-1b movement. Overall, owners and reviewers find the Unimatic Modello Quattro to be a well-built and reasonably priced tool watch, with its lightweight titanium construction and distinctive dial designs being key highlights.