Side by side
Aera Instruments M-1vsLongines MASTER COLLECTION MOONPHASE
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
M-139mm
MASTER COLLECTION MOONPHASE40mm
Power Reserve
M-142h
MASTER COLLECTION MOONPHASE72h
Water Resistance
M-1100m
MASTER COLLECTION MOONPHASE30m
MSRP
M-1—
MASTER COLLECTION MOONPHASE$3,450
Full specifications
Case
8 specsCategory
—
Moonphase
Diameter
39mm
40mm
Thickness
13.14mm
11.1mm
Lug-to-Lug
47.6mm
47mm
Lug Width
20mm
21mm
Finish
Brushed and polished
—
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Dune
Blue
Indices
Applied
Diamond indexes
Movement
8 specsCaliber
Sellita SW216-1
L899.5
Type
Manual
Automatic
Beat Rate
28,800 vph
25,200 vph
Power Reserve
42h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds, moon phase display and date indicated by small hand at
Pricing
1 specsMSRP
—
$3,450
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