Side by side
Echo/Neutra 1956 3HvsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
1956 3H40mm
Armstrong Siddeley42mm
Power Reserve
1956 3H41h
Armstrong Siddeley—
Water Resistance
1956 3H100m
Armstrong Siddeley100m
MSRP
1956 3H$1,025
Armstrong Siddeley$980
Full specifications
Case
7 specsDiameter
40mm
42mm
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
52mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Ultra-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Cream
Lume
Superluminova Old Radium
None
Movement
5 specsCaliber
Sellita SW200-1 elaboré
Unitas 6498
Type
Automatic
Manual
Power Reserve
41h
—
Jewels
26
25
Complications
GMT, Moonphase, Date
None
Pricing
1 specsMSRP
$1,025
$980
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