Side by side
Smiths Armstrong SiddeleyvsTissot Gentleman Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Armstrong Siddeley42mm
Gentleman Open Heart40mm
Power Reserve
Armstrong Siddeley—
Gentleman Open Heart80h
Water Resistance
Armstrong Siddeley100m
Gentleman Open Heart100m
MSRP
Armstrong Siddeley$980
Gentleman Open Heart$1,025
Full specifications
Case
5 specsCategory
—
Chronograph
Diameter
42mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
52mm
40mm
Lug Width
22mm
21mm
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Cream
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
3 specsCaliber
Unitas 6498
11 1/2'''
Type
Manual
Automatic
Power Reserve
—
80h
Pricing
1 specsMSRP
$980
$1,025
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