Side by side
A. Lange & Söhne 1815vsGrand Seiko SBGW257
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
181534mm
SBGW25738mm
Power Reserve
181572h
SBGW25772h
Water Resistance
181530m
SBGW25730m
MSRP
1815—
SBGW257$38,000
Full specifications
Case
7 specsDiameter
34mm
38mm
Thickness
6.4mm
10.9mm
Lug-to-Lug
—
45.8mm
Lug Width
—
19mm
Material
18kt White Gold
Platinum
Finish
18-carat white gold | Case back: sapphire glass
Brushed and polished
Caseback
Sapphire display
Solid
Crystal & Dial
3 specsAR Coating
—
Yes
Dial Color
Blue
Black
Indices
—
Applied
Movement
3 specsCaliber
L152.1
9S64
Beat Rate
21,600 vph
28,800 vph
Jewels
0
25
Pricing
1 specsMSRP
—
$38,000
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