Side by side

Aera Instruments M-1vsGrand Seiko SBGW291

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

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M-1
Aera InstrumentsM-1
SBGW291
Grand SeikoSBGW291
MSRP $5,300
Buy from Aera Instruments ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
M-139mm
SBGW29136.5mm
Power Reserve
M-142h
SBGW29172h
Water Resistance
M-1100m
SBGW291100m
MSRP
M-1—
SBGW291$5,300

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
36.5mm
Thickness
13.14mm
11.6mm
Lug-to-Lug
47.6mm
42.7mm
Lug Width
20mm
18mm

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW216-1
9S64
Power Reserve
42h
72h

Pricing

1 specs
MSRP
—
$5,300
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CWC Cabot Steel Limited Edition WatchvsGrand Seiko SBGW291CWC (Cabot Watch Company) Fifty Limited Edition Anniversary WatchvsGrand Seiko SBGW291Grand Seiko SBGW291vsVPC Watch TYPE 37HWFarer Lethbridge GoldvsGrand Seiko SBGW291Aera Instruments M-1vsanOrdain Model 1 (Group Buy)Aera Instruments M-1vsanOrdain The Pink Dial Project
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