Side by side
A. Lange & Söhne 1815 UpdownvsGrand Seiko SBGW257
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
1815 Updown39mm
SBGW25738mm
Power Reserve
1815 Updown72h
SBGW25772h
Water Resistance
1815 Updown30m
SBGW25730m
MSRP
1815 Updown$39,600
SBGW257$38,000
Full specifications
Case
7 specsDiameter
39mm
38mm
Thickness
8.7mm
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
Silver
Black
Indices
—
Applied
Movement
4 specsCaliber
L051.2
9S64
Beat Rate
21,600 vph
28,800 vph
Jewels
0
25
Complications
Power Reserve Indicator
None
Pricing
1 specsMSRP
$39,600
$38,000
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