Side by side
Seiko Prospex SeavsSwatch Sistem Slate
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Prospex Sea43.8mm
Sistem Slate42mm
Power Reserve
Prospex Sea41h
Sistem Slate—
Water Resistance
Prospex Sea200m
Sistem Slate30m
MSRP
Prospex Sea$625
Sistem Slate$250
Full specifications
Case
7 specsCategory
Diver
Mechanical
Diameter
43.8mm
42mm
Thickness
12.8mm
13.8mm
Lug-to-Lug
48.7mm
50.6mm
Lug Width
22mm
—
Finish
—
Stainless Steel
Water Resistance
200m
30m
Crystal & Dial
4 specsCrystal
Sapphire
—
AR Coating
Anti-reflective coating on inner surface
—
Dial Color
—
Black
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
5 specsCaliber
Seiko 4R35
—
Power Reserve
41h
0h
Jewels
23
0
Hacking
No
Yes
Hand-winding
No
Yes
Pricing
1 specsMSRP
$625
$250
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