Side by side
Serket Watch Co TachymetrevsSeiko Prospex SPEEDTIMER Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Tachymetre42.5mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Tachymetre—
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Tachymetre50m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Tachymetre$299
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
42.5mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
53mm
49.5mm
Lug Width
22mm
20mm
Water Resistance
50m
100m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Teal Blue
Black
Lume
C3 SuperLuminova
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seiko VK64
8R48
Type
Mecaquartz
Automatic
Power Reserve
—
45h
Jewels
25
34
Pricing
1 specsMSRP
$299
$2,500
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