Side by side
Rolex Day-DatevsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Day-Date36mm
SBGW30636.5mm
Power Reserve
Day-Date70h
SBGW30672h
Water Resistance
Day-Date100m
SBGW306100m
MSRP
Day-Date$69,000
SBGW306$17,900
Full specifications
Case
7 specsDiameter
36mm
36.5mm
Thickness
—
11.7mm
Lug-to-Lug
—
42.7mm
Lug Width
—
18mm
Material
18kt Everose Gold
Gold
Finish
18 kt Everose gold
Brushed and polished
Caseback
Monobloc middle case, screw-down case back and winding crown
Solid
Crystal & Dial
3 specsAR Coating
—
Yes
Dial Color
White
Black
Indices
Roman numerals
Applied
Movement
5 specsCaliber
3255
9S64
Type
Automatic
Manual
Power Reserve
70h
72h
Jewels
32
25
Complications
Day-Date
None
Pricing
1 specsMSRP
$69,000
$17,900
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