Side by side

Oblvlo JM SpacevsGrand Seiko SLGH017

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

The bottom line

The 40mm SLGH017 wears 2mm narrower than the 42mm JM Space — noticeable on a 6.5" wrist.

Where to get them

Check prices & track

Oblvlo JM Space
Oblvlo JM Space
MSRP $315
Grand Seiko SLGH017
Grand Seiko SLGH017
MSRP $10,500
JM Space
OblvloJM Space
MSRP $315
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

11 of 29 specs differ
Diameter
JM Space42mm
SLGH01740mm
Power Reserve
JM Space40h
SLGH01780h
Water Resistance
JM Space50m
SLGH017100m
MSRP
JM Space$315
SLGH017$10,500

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
42mm
40mm
Thickness
12mm
11.7mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
9SA5
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$315
$10,500

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