Side by side

Aera Instruments M-1vsGrand Seiko SBGH263

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

M-1
Aera InstrumentsM-1
SBGH263
Grand SeikoSBGH263
MSRP $6,200

At a glance

13 of 29 specs differ
Diameter
M-139mm
SBGH26339.5mm
Power Reserve
M-142h
SBGH26355h
Water Resistance
M-1100m
SBGH26330m
MSRP
M-1—
SBGH263$6,200

Full specifications

Case

6 specs
Category
—
Dress
Diameter
39mm
39.5mm
Thickness
13.14mm
13.1mm
Lug-to-Lug
47.6mm
46mm
Lug Width
20mm
19mm
Water Resistance
100m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW216-1
9S85
Type
Manual
Automatic
Power Reserve
42h
55h

Pricing

1 specs
MSRP
—
$6,200

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