Side by side
Seiko Prospex SPEEDTIMERvsTAG Heuer Formula 1 Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Prospex SPEEDTIMER42mm
Formula 1 Date41mm
Power Reserve
Prospex SPEEDTIMER40h
Formula 1 Date—
Water Resistance
Prospex SPEEDTIMER100m
Formula 1 Date200m
MSRP
Prospex SPEEDTIMER$2,200
Formula 1 Date$1,850
Full specifications
Case
8 specsCategory
Chronograph
Diver
Diameter
42mm
41mm
Thickness
12.9mm
—
Lug-to-Lug
49.6mm
—
Lug Width
20mm
—
Finish
Brushed and polished
RUBBER
Water Resistance
100m
200m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Sapphire
—
Crystal Shape
Curved
—
AR Coating
Super-clear coating
—
Indices
Applied
—
Lume
LumiBrite on hands and index(es)
None
Movement
5 specsCaliber
5X83
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
14
0
Complications
None
Date
Pricing
1 specsMSRP
$2,200
$1,850
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