Side by side
Seiko Prospex Sea Save the Ocean Special EditionvsTAG Heuer Formula 1 Senna
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Prospex Sea Save the Ocean Special Edition45mm
Formula 1 Senna44mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
Formula 1 Senna48h
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
Formula 1 Senna200m
MSRP
Prospex Sea Save the Ocean Special Edition$625
Formula 1 Senna$4,900
Full specifications
Case
6 specsDiameter
45mm
44mm
Thickness
13.2mm
—
Lug-to-Lug
47.7mm
—
Lug Width
22mm
—
Finish
Brushed and polished
Steel Fine-Brushed/Polished
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Sapphire
—
Crystal Shape
Flat
—
AR Coating
Anti-reflective coating on inner surface
—
Indices
Applied
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
4 specsCaliber
4R36
Calibre 16 Automatic
Power Reserve
41h
48h
Jewels
24
0
Complications
None
Chronograph, Date
Pricing
1 specsMSRP
$625
$4,900
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