Side by side
Lucky Harvey Black Slots MachinevsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Black Slots Machine43mm
Prospex Sea43.8mm
Power Reserve
Black Slots Machine40h
Prospex Sea41h
Water Resistance
Black Slots Machine30m
Prospex Sea200m
MSRP
Black Slots Machine$1,199
Prospex Sea$625
Full specifications
Case
5 specsCategory
—
Diver
Diameter
43mm
43.8mm
Thickness
11mm
12.8mm
Lug-to-Lug
—
48.7mm
Water Resistance
30m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Lucky Harvey in-house automatic caliber
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$1,199
$625
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