Side by side
Undone Aero Worldtimer "Doolittle"vsZelos Spearfish 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
Aero Worldtimer "Doolittle"40mm
Spearfish GMT40mm
Power Reserve
Aero Worldtimer "Doolittle"—
Spearfish GMT—
Water Resistance
Aero Worldtimer "Doolittle"100m
Spearfish GMT200m
MSRP
Aero Worldtimer "Doolittle"$399
Spearfish GMT$999
Full specifications
Case
6 specsCategory
—
GMT
Thickness
15mm
13mm
Lug-to-Lug
0mm
40mm
Lug Width
0mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsCrystal
—
Sapphire
Dial Color
—
Frost
Movement
2 specsCaliber
Seiko NH35
Sellita SW330-2
Power Reserve
—
0h
Pricing
1 specsMSRP
$399
$999
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