Side by side
Hamilton Jazzmaster Power Reserve AutovsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Jazzmaster Power Reserve Auto42mm
Armstrong Siddeley42mm
Power Reserve
Jazzmaster Power Reserve Auto40h
Armstrong Siddeley—
Water Resistance
Jazzmaster Power Reserve Auto50m
Armstrong Siddeley100m
MSRP
Jazzmaster Power Reserve Auto$1,425
Armstrong Siddeley$980
Full specifications
Case
4 specsCategory
Chronograph
—
Thickness
12.64mm
12mm
Lug-to-Lug
46mm
52mm
Water Resistance
50m
100m
Crystal & Dial
1 specsDial Color
Black
Cream
Movement
3 specsCaliber
H-13
Unitas 6498
Type
Automatic
Manual
Power Reserve
40h
—
Pricing
1 specsMSRP
$1,425
$980
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Hamilton Jazzmaster Power Reserve Auto vs Smiths Armstrong Siddeley gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Geckota Classic ChronotimervsSmiths Armstrong SiddeleyBremont ALT1-CvsSmiths Armstrong SiddeleyBremont SupernovavsSmiths Armstrong SiddeleyBremont Isle of Man TT Limited EditionvsSmiths Armstrong SiddeleyHamilton Jazzmaster Power Reserve AutovsSmiths Armstrong Siddeley Sewills Ferreira PRS-39 coin-edge/fluted-bezel onion-crown 3-hand, Roman numerals + small-secondsHamilton Jazzmaster Power Reserve AutovsSmiths Armstrong Siddeley Richmond Spencer round smooth-bezel 3-hand, printed Roman numerals + small-seconds













