Side by side

Grand Seiko SBGX363vsLongines PRIMALUNA

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

SBGX363
Grand SeikoSBGX363
MSRP $3,600
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,700

At a glance

19 of 29 specs differ
Diameter
SBGX36332.3mm
PRIMALUNA30mm
Power Reserve
SBGX36340h
PRIMALUNA40h
Water Resistance
SBGX363100m
PRIMALUNA30m
MSRP
SBGX363$3,600
PRIMALUNA$1,700

Full specifications

Case

7 specs
Diameter
32.3mm
30mm
Thickness
9mm
8mm
Lug-to-Lug
39mm
37mm
Lug Width
15mm
7mm
Finish
Brushed and polished
—
Water Resistance
100m
30m
Caseback
Solid
—

Crystal & Dial

5 specs
Crystal Shape
Flat
—
AR Coating
Yes
Underside
Dial Color
Black
Mother of Pearl
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
9F51
L152.3
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$3,600
$1,700

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