Side by side
Rosenbusch Quest RBXvsSeiko Prospex SPEEDTIMER Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Quest RBX42mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Quest RBX41h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Quest RBX100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Quest RBX—
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
4 specsCategory
—
Chronograph
Thickness
11.7mm
14.6mm
Lug-to-Lug
—
49.5mm
Lug Width
—
20mm
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Sellita
8R48
Power Reserve
41h
45h
Jewels
25
34
Pricing
1 specsMSRP
—
$2,500
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