Side by side
Aera Instruments M-1vsSeiko Prospex Sea Save the Ocean Special Edition
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
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
M-142h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
M-1100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
M-1—
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
6 specsCategory
—
Diver
Diameter
39mm
43.8mm
Thickness
13.14mm
12.8mm
Lug-to-Lug
47.6mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dune
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel
Movement
4 specsCaliber
Sellita SW216-1
4R35
Type
Manual
Automatic
Power Reserve
42h
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$650
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