Side by side

Aera Instruments M-1vsOblvlo FM SL Day-Date Square

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

M-1
Aera InstrumentsM-1
FM SL Day-Date Square
OblvloFM SL Day-Date Square
MSRP $158

At a glance

12 of 29 specs differ
Diameter
M-139mm
FM SL Day-Date Square39mm
Power Reserve
M-142h
FM SL Day-Date Square42h
Water Resistance
M-1100m
FM SL Day-Date Square50m
MSRP
M-1—
FM SL Day-Date Square$158

Full specifications

Case

5 specs
Category
—
Dress
Thickness
13.14mm
11mm
Lug-to-Lug
47.6mm
46mm
Lug Width
20mm
21mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
Dune
Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW216-1
Miyota 8215
Type
Manual
Automatic
Power Reserve
42h
42h
Jewels
25
21

Pricing

1 specs
MSRP
—
$158

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