Side by side

Aera Instruments M-1vsGrand Seiko SBGY011

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

M-1
Aera InstrumentsM-1
SBGY011
Grand SeikoSBGY011
MSRP $8,800

At a glance

12 of 29 specs differ
Diameter
M-139mm
SBGY01140mm
Power Reserve
M-142h
SBGY01172h
Water Resistance
M-1100m
SBGY011100m
MSRP
M-1—
SBGY011$8,800

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
40mm
Thickness
13.14mm
10.5mm
Lug-to-Lug
47.6mm
46.2mm
Lug Width
20mm
19mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Dune
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
9R31
Type
Manual
Spring Drive
Power Reserve
42h
72h

Pricing

1 specs
MSRP
—
$8,800

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