Side by side

Aera Instruments M-1vsGrand Seiko SBGR261

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

M-1
Aera InstrumentsM-1
SBGR261
Grand SeikoSBGR261
MSRP $4,900

At a glance

13 of 29 specs differ
Diameter
M-139mm
SBGR26139.5mm
Power Reserve
M-142h
SBGR26172h
Water Resistance
M-1100m
SBGR26130m
MSRP
M-1—
SBGR261$4,900

Full specifications

Case

6 specs
Category
—
Dress
Diameter
39mm
39.5mm
Thickness
13.14mm
13.1mm
Lug-to-Lug
47.6mm
46.9mm
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
9S65
Type
Manual
Automatic
Power Reserve
42h
72h

Pricing

1 specs
MSRP
—
$4,900

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