Side by side
Tissot Seastar 1000 Quartz ChronographvsUnimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Seastar 1000 Quartz Chronograph38mm
Modello Quattro UT4-GMT Toolwatch GMT (40mm)40mm
Power Reserve
Seastar 1000 Quartz Chronograph40h
Modello Quattro UT4-GMT Toolwatch GMT (40mm)40h
Water Resistance
Seastar 1000 Quartz Chronograph300m
Modello Quattro UT4-GMT Toolwatch GMT (40mm)300m
MSRP
Seastar 1000 Quartz Chronograph$650
Modello Quattro UT4-GMT Toolwatch GMT (40mm)$655
Full specifications
Case
5 specsCategory
Diver
—
Diameter
38mm
40mm
Thickness
12.95mm
12mm
Lug-to-Lug
38mm
46mm
Lug Width
18mm
20mm
Crystal & Dial
4 specsAR Coating
Yes
Inner
Dial Color
Graded turquoise
Black
Indices
Indexes
Applied
Lume
Super-LumiNova ®
None
Movement
1 specsCaliber
—
Ronda 515.24D (quartz GMT)
Pricing
1 specsMSRP
$650
$655
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