Tissot Seastar 1000 Quartz ChronographvsUnimatic Modello Quattro UT4-TW Collab Time Only

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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 Quartz Chronograph at true scale

Seastar 1000 Quartz Chronograph

Unimatic Modello Quattro UT4-TW Collab Time Only at true scale

Modello Quattro UT4-TW Collab Time Only

Diameter

38mm

40mm

Thickness

12.9mm

n/a

Water Resistance

300m

300m

MSRP

$650

$595

lowest

Movement

Quartz

Seiko VH31

Case

5 specs
Diameter
38mm
40mm
Thickness
12.95mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
18mm
n/a
Material
Stainless Steel
n/a

Crystal & Dial

5 specs
Crystal
Sapphire
n/a
AR Coating
Yes
n/a
Dial Color
Graded turquoise
n/a
Indices
Indexes
n/a
Lume
Super-LumiNova ®
None

Movement

1 specs
Caliber
n/a
Seiko VH31

Pricing

1 specs
MSRP
$650
$595
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Reviews

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

Tissot Seastar 1000 Quartz Chronograph

Owners widely praise the Tissot Seastar 1000 Quartz Chronograph for its excellent finishing and solid build at its price point, with many highlighting its value as a summer watch. However, some find the dial busy and the hands/indices ill-proportioned, while others criticize the bracelet clasp as flimsy and the bezel lume dot changing color. Accuracy varies, with one owner noting +25 sec/day before regulation and another reporting it as accurate for a quartz movement. Overall, owners and reviewers rate the Tissot Seastar 1000 Quartz Chronograph highly for its impressive value and build quality.

Unimatic Modello Quattro UT4-TW Collab Time Only

The Unimatic Modello Quattro UT4-TW Collab Time Only is praised for its robust, MIL-STD-810 certified build and minimalist design, with one owner appreciating its simple and clean aesthetic after initial reservations. However, one owner disliked the TPU strap and experienced a recurring rotor issue requiring a lengthy and poor customer service experience for repair. The watch features a 40mm sandblasted steel case, which may sit flat on smaller or round wrists due to less downward lug curvature. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4-TW Collab Time Only highly for its rugged build and clean design.