Side by side
Aera Instruments M-1vsSeestern S471 Double Crown Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
M-139mm
S471 Double Crown Diver38mm
Power Reserve
M-142h
S471 Double Crown Diver35h+h
Water Resistance
M-1100m
S471 Double Crown Diver100m
MSRP
M-1—
S471 Double Crown Diver$179
Full specifications
Case
5 specsCategory
—
Diver
Diameter
39mm
38mm
Thickness
13.14mm
12mm
Lug-to-Lug
47.6mm
40.3mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Dune
Blue
Lume
Super-LumiNova
None
Movement
6 specsCaliber
Sellita SW216-1
Miyota 8215
Type
Manual
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
35h+h
Jewels
25
21
Complications
None
Date
Pricing
1 specsMSRP
—
$179
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