Side by side
Castor Watches DiaguitavsSeiko Prospex SPEEDTIMER Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Diaguita40mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Diaguita—
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Diaguita50m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Diaguita$110
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
40mm
42mm
Thickness
11.4mm
14.6mm
Lug-to-Lug
—
49.5mm
Lug Width
—
20mm
Water Resistance
50m
100m
Crystal & Dial
5 specsCrystal
Mineral
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Maple
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
—
8R48
Type
Quartz
Automatic
Power Reserve
—
45h
Jewels
25
34
Pricing
1 specsMSRP
$110
$2,500
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