Side by side
Grand Seiko SBGW306vsLongines PrimaLuna
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
SBGW30636.5mm
PrimaLuna34mm
Power Reserve
SBGW30672h
PrimaLuna72h
Water Resistance
SBGW306100m
PrimaLuna30m
MSRP
SBGW306$17,900
PrimaLuna$2,950
Full specifications
Case
8 specsDiameter
36.5mm
34mm
Thickness
11.7mm
11.6mm
Lug-to-Lug
42.7mm
41mm
Lug Width
18mm
8mm
Material
Gold
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Yes
Both sides
Dial Color
Black
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova
Movement
7 specsCaliber
9S64
L899.5
Type
Manual
Automatic
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, Moon phase display at 6 o'clock
Pricing
1 specsMSRP
$17,900
$2,950
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