Side by side
Oblvlo FM SL Day-Date SquarevsFormex Reef 39.5 mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
FM SL Day-Date Square39mm
Reef 39.5 mm39.5mm
Power Reserve
FM SL Day-Date Square42h
Reef 39.5 mm56h
Water Resistance
FM SL Day-Date Square50m
Reef 39.5 mm300m
MSRP
FM SL Day-Date Square$158
Reef 39.5 mm$2,230
Full specifications
Case
5 specsCategory
Dress
Diver
Diameter
39mm
39.5mm
Lug-to-Lug
46mm
45.5mm
Lug Width
21mm
22mm
Water Resistance
50m
300m
Crystal & Dial
2 specsDial Color
Black
Bahama Blue
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 8215
Sellita SW300-1
Power Reserve
42h
56h
Jewels
21
25
Pricing
1 specsMSRP
$158
$2,230
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