Side by side
Dryden Heartlander AutomaticvsOblvlo FM SL Day-Date Square
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Heartlander Automatic38mm
FM SL Day-Date Square39mm
Power Reserve
Heartlander Automatic40h
FM SL Day-Date Square42h
Water Resistance
Heartlander Automatic101m
FM SL Day-Date Square50m
MSRP
Heartlander Automatic$600
FM SL Day-Date Square$158
Full specifications
Case
5 specsCategory
Field
Dress
Diameter
38mm
39mm
Thickness
11.2mm
11mm
Lug Width
20mm
21mm
Water Resistance
101m
50m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Goldfinch
Black
Movement
3 specsCaliber
Miyota 9039
Miyota 8215
Power Reserve
40h
42h
Jewels
25
21
Pricing
1 specsMSRP
$600
$158
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