Side by side
Sternglas Naos MondphasevsTimefactors Speedbird GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Naos Mondphase38mm
Speedbird GMT36mm
Power Reserve
Naos Mondphase—
Speedbird GMT—
Water Resistance
Naos Mondphase50m
Speedbird GMT100m
MSRP
Naos Mondphase$323
Speedbird GMT$315
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
38mm
36mm
Thickness
10mm
11.6mm
Lug-to-Lug
42mm
42.5mm
Lug Width
20mm
18mm
Water Resistance
50m
100m
Crystal & Dial
2 specsDial Color
—
Black
Lume
Luminova Punkten
Super Luminova X1 C3
Movement
2 specsCaliber
Seiko VJ76
Ronda 515
Jewels
—
25
Pricing
1 specsMSRP
$323
$315
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