Serket Watch Co Overdrive ChronographvsSeiko Prospex Speedtimer Mechanical Chronograph
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Overdrive Chronograph

Prospex Speedtimer Mechanical Chronograph
Diameter
42mm
42mm
Lug-to-Lug
48.4mm
lowest
49.5mm
Thickness
13.3mm
lowest
14.6mm
Water Resistance
100m
100m
Power Reserve
n/a
45h
MSRP
$499
lowest
$2,500
Movement
Seagull ST1901
Seiko 8R48
Case
2 specsThickness
13.3mm
14.6mm
Lug-to-Lug
48.4mm
49.5mm
Crystal & Dial
4 specsCrystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Sage Green
n/a
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seagull ST1901
Seiko 8R48
Type
Manual
Automatic
Power Reserve
n/a
45h
Jewels
0
34
Pricing
1 specsMSRP
$499
$2,500
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