Side by side
Serket Watch Co Reef MarianavsUndone 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
8 of 29 specs differDiameter
Reef Mariana40mm
Aero Worldtimer "Doolittle"40mm
Power Reserve
Reef Mariana—
Aero Worldtimer "Doolittle"—
Water Resistance
Reef Mariana200m
Aero Worldtimer "Doolittle"100m
MSRP
Reef Mariana$449
Aero Worldtimer "Doolittle"$399
Full specifications
Case
4 specsThickness
13.2mm
15mm
Lug-to-Lug
47.5mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Sapphire
—
Dial Color
Orange
—
Lume
BGW9
None
Pricing
1 specsMSRP
$449
$399
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