Side by side

Oblvlo JM SpacevsGrand Seiko SBGH347

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

The bottom line

The 37mm SBGH347 wears 5mm narrower than the 42mm JM Space — that's a meaningful jump on most wrists.

Where to get them

Check prices & track

Oblvlo JM Space
Oblvlo JM Space
MSRP $315
Visit OblvloCheck price on eBayaffiliate
Grand Seiko SBGH347
Grand Seiko SBGH347
MSRP $7,300
Visit Grand SeikoCheck price on eBayaffiliate
JM Space
OblvloJM Space
MSRP $315
SBGH347
Grand SeikoSBGH347
MSRP $7,300

At a glance

11 of 29 specs differ
Diameter
JM Space42mm
SBGH34737mm
Power Reserve
JM Space40h
SBGH34755h
Water Resistance
JM Space50m
SBGH347100m
MSRP
JM Space$315
SBGH347$7,300

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
42mm
37mm
Thickness
12mm
13.3mm
Lug-to-Lug
46mm
44.6mm
Lug Width
22mm
19mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
—
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$315
$7,300

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