Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsRadcliffe Watches L'INSTANT SONORE
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
L'INSTANT SONORE40mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
L'INSTANT SONORE—
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
L'INSTANT SONORE30m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
L'INSTANT SONORE$1,588
Full specifications
Case
7 specsCategory
Diver
—
Diameter
42.6mm
40mm
Thickness
14.1mm
—
Lug-to-Lug
49.3mm
47mm
Lug Width
20mm
—
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
30m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
8L45
Miyota 9015
Power Reserve
72h
—
Jewels
35
25
Pricing
1 specsMSRP
$3,600
—
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