Side by side

Zelos Hammerhead (Tantalum LE)vsLongines PRIMALUNA

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,950

At a glance

23 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
PRIMALUNA30mm
Power Reserve
Hammerhead (Tantalum LE)40h
PRIMALUNA40h
Water Resistance
Hammerhead (Tantalum LE)300m
PRIMALUNA30m
MSRP
Hammerhead (Tantalum LE)$1,499
PRIMALUNA$1,950

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
44mm
30mm
Thickness
13mm
8.3mm
Lug-to-Lug
44mm
37mm
Lug Width
22mm
7mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

6 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Tantalum LE
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Seiko NH35
L257.2
Type
Automatic
Quartz
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$1,499
$1,950

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

Longines PRIMALUNA

Owners widely praise the Longines PRIMALUNA for its attractive style and understated 26.5mm size, with some preferring the automatic for its craftsmanship and heirloom quality. The redesigned 34mm model features an automatic movement, date complication, and polished case design, available in steel or bi-metal with various dial and strap options. Accuracy averages a loss of 1.3 seconds per day across six positions, running 3-4 seconds slower on the wrist, which is within COSC standards. Prices range from EUR 2,850 to EUR 6,600. Overall, owners rate the Longines PRIMALUNA highly for its appealing design and reliable automatic movement.

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