Side by side

Longines PrimaLunavsZelos Swordfish 3

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

PrimaLuna
LonginesPrimaLuna
MSRP $2,950
Swordfish 3
ZelosSwordfish 3
MSRP $399

At a glance

22 of 29 specs differ
Diameter
PrimaLuna34mm
Swordfish 340mm
Power Reserve
PrimaLuna72h
Swordfish 340h
Water Resistance
PrimaLuna30m
Swordfish 3200m
MSRP
PrimaLuna$2,950
Swordfish 3$399

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
34mm
40mm
Thickness
11.6mm
12mm
Lug-to-Lug
41mm
40mm
Lug Width
8mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
200m
Caseback
Transparent case back with sapphire crystal
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Both sides
Inner
Dial Color
Blue
Bronze
Indices
Diamond indexes
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
L899.5
Seiko NH35
Beat Rate
25,200 vph
28,800 vph
Power Reserve
72h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Hours, minutes, seconds and date, Moon phase display at 6 o'clock
None

Pricing

1 specs
MSRP
$2,950
$399

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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.

Longines PrimaLuna

Owners widely praise the Longines PrimaLuna for its stylish, understated design and comfortable 26.5mm and 34mm case sizes, with some preferring the quartz for its lower maintenance and others the automatic for its craftsmanship. The automatic movement, an L899.5 or Caliber L899, offers a 72-hour power reserve and exhibits consistent accuracy averaging a loss of 1.3 seconds per day in testing, though it runs 3-4 seconds slower on the wrist. The redesigned collection features a curvier case with contemporary lug integration and is available in steel or bi-metal. On balance, owners and reviewers appreciate the Longines PrimaLuna for its elegant styling and reliable automatic movement, though some find its brand prestige and design less compelling compared to certain luxury alternatives.

Zelos Swordfish 3

Owners widely praise the Zelos Swordfish 3 for its strong value, with reviewers highlighting the textured sandwich dial, Seiko NH35 movement, 200m water resistance, and surprisingly good bracelet. The titanium construction is noted for making the watch compact and comfortable, weighing 117g. Some owners find the dimensions fine on paper and based on experience with other models. One reviewer flagged that legibility can suffer in bright light and bracelet edges are sharp. Overall, owners and reviewers rate the Zelos Swordfish 3 highly for its incredible value and fun design, particularly with unique dial options.

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