Side by side
Aquastar Deepstar ChronographvsSeiko Prospex SPEEDTIMER Mechanical Chronograph
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
Deepstar Chronograph39mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Deepstar Chronograph55h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Deepstar Chronograph200m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Deepstar Chronograph$2,790
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
42mm
Thickness
14.8mm
14.6mm
Lug-to-Lug
49mm
49.5mm
Lug Width
—
20mm
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Silver
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
Seiko 8R48
Power Reserve
55h
45h
Jewels
0
34
Pricing
1 specsMSRP
$2,790
$2,500
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