Side by side
Ollech & Wajs M-52B AFvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
M-52B AF39.5mm
Prospex Sea43.8mm
Power Reserve
M-52B AF—
Prospex Sea41h
Water Resistance
M-52B AF300m
Prospex Sea200m
MSRP
M-52B AF$1,596
Prospex Sea$625
Full specifications
Case
6 specsCategory
—
Diver
Diameter
39.5mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
48mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
—
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Soprod P024
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23
Pricing
1 specsMSRP
$1,596
$625
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