Side by side
Swatch Sistem SeavsUndone Aero Worldtimer "Doolittle"
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
14 of 29 specs differDiameter
Sistem Sea42mm
Aero Worldtimer "Doolittle"40mm
Power Reserve
Sistem Sea—
Aero Worldtimer "Doolittle"—
Water Resistance
Sistem Sea30m
Aero Worldtimer "Doolittle"100m
MSRP
Sistem Sea$170
Aero Worldtimer "Doolittle"$399
Full specifications
Case
8 specsCategory
Mechanical
—
Diameter
42mm
40mm
Thickness
13.9mm
15mm
Lug-to-Lug
50.6mm
0mm
Lug Width
—
0mm
Material
Polymer
Stainless Steel
Finish
Polymer
—
Water Resistance
30m
100m
Crystal & Dial
1 specsDial Color
Blue
—
Movement
4 specsCaliber
—
Seiko NH35
Power Reserve
0h
—
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$170
$399
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