Side by side
Timefactors Speedbird GMTvsUnimatic Modello Quattro UT4 Toolwatch Time Only (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
Speedbird GMT36mm
Modello Quattro UT4 Toolwatch Time Only (40mm)40mm
Power Reserve
Speedbird GMT—
Modello Quattro UT4 Toolwatch Time Only (40mm)—
Water Resistance
Speedbird GMT100m
Modello Quattro UT4 Toolwatch Time Only (40mm)300m
MSRP
Speedbird GMT$315
Modello Quattro UT4 Toolwatch Time Only (40mm)$515
Full specifications
Case
6 specsDiameter
36mm
40mm
Thickness
11.6mm
0mm
Lug-to-Lug
42.5mm
0mm
Lug Width
18mm
0mm
Material
Stainless Steel
—
Water Resistance
100m
300m
Crystal & Dial
2 specsCrystal
Sapphire
—
Lume
Super Luminova X1 C3
None
Movement
2 specsCaliber
Ronda 515
Seiko VH31 (quartz)
Power Reserve
—
0h
Pricing
1 specsMSRP
$315
$515
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