Side by side
Seestern Chrono Racing S473vsSeiko Prospex SPEEDTIMER Mechanical
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
Chrono Racing S47339mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Chrono Racing S473—
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Chrono Racing S47350m
Prospex SPEEDTIMER Mechanical200m
MSRP
Chrono Racing S473$500
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
39mm
39.5mm
Thickness
12.5mm
12mm
Lug-to-Lug
0mm
44.5mm
Lug Width
0mm
20mm
Water Resistance
50m
200m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$500
$995
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