Side by side
Olech & Wajs Watches M-52B AFvsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M-52B AF39.5mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
M-52B AF38h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
M-52B AF300m
Prospex SPEEDTIMER Mechanical200m
MSRP
M-52B AF$2,010
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
4 specsCategory
—
Chronograph
Thickness
12.5mm
12mm
Lug-to-Lug
48mm
44.5mm
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Soprod P024
6R55
Power Reserve
38h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$995
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