Side by side
Zelos Hammerhead (Tantalum LE)vsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Hammerhead (Tantalum LE)44mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Hammerhead (Tantalum LE)40h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Hammerhead (Tantalum LE)300m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Hammerhead (Tantalum LE)$1,499
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
9 specsCategory
Diver
Chronograph
Diameter
44mm
40mm
Thickness
13mm
12.4mm
Lug-to-Lug
44mm
48mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Sapphire crystal
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Tantalum LE
—
Indices
Applied
—
Movement
5 specsCaliber
Seiko NH35
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$1,499
$599
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