Side by side

Grand Seiko SBGW306vsSugess MoonPhase Master SU2108

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

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SBGW306
Grand SeikoSBGW306
MSRP $17,900
MoonPhase Master SU2108
SugessMoonPhase Master SU2108
MSRP $549
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Buy used on eBay ↗
Buy from Sugess ↗
Buy used on eBay ↗

At a glance

18 of 29 specs differ
Diameter
SBGW30636.5mm
MoonPhase Master SU210840mm
Power Reserve
SBGW30672h
MoonPhase Master SU210841h
Water Resistance
SBGW306100m
MoonPhase Master SU21085m
MSRP
SBGW306$17,900
MoonPhase Master SU2108$549

Full specifications

Case

9 specs
Category
Dress
Chronograph
Diameter
36.5mm
40mm
Thickness
11.7mm
11.5mm
Lug-to-Lug
42.7mm
46mm
Lug Width
18mm
20mm
Material
Gold
Stainless Steel/Gold
Finish
Brushed and polished
Polished
Water Resistance
100m
5m
Caseback
Solid
Display

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
S438 White

Movement

6 specs
Caliber
9S64
Seagull ST21
Type
Manual
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
72h
41h
Jewels
25
21
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$17,900
$549
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