Side by side
Zelos Hammerhead (Tantalum LE)vsOblvlo JM Rotor
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Hammerhead (Tantalum LE)44mm
JM Rotor42mm
Power Reserve
Hammerhead (Tantalum LE)40h
JM Rotor42h
Water Resistance
Hammerhead (Tantalum LE)300m
JM Rotor50m
MSRP
Hammerhead (Tantalum LE)$1,499
JM Rotor$299
Full specifications
Case
6 specsCategory
Diver
Sport
Diameter
44mm
42mm
Lug-to-Lug
44mm
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black
Movement
3 specsCaliber
Seiko NH35
Miyota 8215
Power Reserve
40h
42h
Jewels
25
21
Pricing
1 specsMSRP
$1,499
$299
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