Side by side
Maen Grand Tonneau Jump HourvsGrand Seiko SBGA384
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Grand Tonneau Jump Hour34mm
SBGA38440mm
Power Reserve
Grand Tonneau Jump Hour40h
SBGA38472h
Water Resistance
Grand Tonneau Jump Hour50m
SBGA384100m
MSRP
Grand Tonneau Jump Hour$999
SBGA384$29,500
Full specifications
Case
6 specsDiameter
34mm
40mm
Thickness
9.7mm
12.5mm
Lug-to-Lug
—
46.2mm
Lug Width
—
19mm
Material
316L Stainless Steel
Gold
Water Resistance
50m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
MNL.01
Black
Movement
3 specsCaliber
—
9R15
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$999
$29,500
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