Side by side

Filippo Loreti Watches Ascari Grand Prix GPvsSeestern S450 Ocean Star

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Ascari Grand Prix GP
Filippo Loreti WatchesAscari Grand Prix GP
MSRP $260
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
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Buy from Seestern ↗
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At a glance

14 of 29 specs differ
Diameter
Ascari Grand Prix GP42mm
S450 Ocean Star40mm
Power Reserve
Ascari Grand Prix GP—
S450 Ocean Star41h
Water Resistance
Ascari Grand Prix GP100m
S450 Ocean Star100m
MSRP
Ascari Grand Prix GP$260
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
—
Diver
Diameter
42mm
40mm
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
—
White
Lume
None
Tritium

Movement

6 specs
Caliber
Seiko VK64
TMI NH35A
Type
Mecaquartz
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
0h
41h
Jewels
0
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$260
$299
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