Side by side
A. Lange & Söhne 1815 UpdownvsHenry Archer Sekvens
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
1815 Updown39mm
Sekvens40mm
Power Reserve
1815 Updown72h
Sekvens40h
Water Resistance
1815 Updown30m
Sekvens50m
MSRP
1815 Updown$39,600
Sekvens$2,799
Full specifications
Case
8 specsDiameter
39mm
40mm
Thickness
8.7mm
—
Lug-to-Lug
—
47mm
Lug Width
—
20mm
Material
18kt White Gold
316L Stainless Steel
Finish
18-carat white gold | Case back: sapphire glass
Brushed and polished
Water Resistance
30m
50m
Caseback
Sapphire display
Solid
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
—
Inner
Dial Color
Silver
Nero 40mm
Indices
—
Applied
Movement
6 specsCaliber
L051.2
NH35A
Type
Manual
Automatic
Beat Rate
21,600 vph
28,800 vph
Power Reserve
72h
40h
Jewels
0
25
Complications
Power Reserve Indicator
None
Pricing
1 specsMSRP
$39,600
$2,799
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