Side by side
Zelos Hammerhead (Tantalum LE)vsSartory Billard SB04
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
SB0440mm
Power Reserve
Hammerhead (Tantalum LE)40h
SB0440h
Water Resistance
Hammerhead (Tantalum LE)300m
SB0430m
MSRP
Hammerhead (Tantalum LE)$1,499
SB04$2,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
44mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
44mm
45.5mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
30m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Tantalum LE
Black
Movement
1 specsCaliber
Seiko NH35
LJP G100
Pricing
1 specsMSRP
$1,499
$2,900
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