Side by side

Horage Autark K2 Small SecondsvsLongines PrimaLuna

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

Autark K2 Small Seconds
HorageAutark K2 Small Seconds
MSRP $5,590
PrimaLuna
LonginesPrimaLuna
MSRP $2,950

At a glance

20 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
PrimaLuna34mm
Power Reserve
Autark K2 Small Seconds72h
PrimaLuna72h
Water Resistance
Autark K2 Small Seconds100m
PrimaLuna30m
MSRP
Autark K2 Small Seconds$5,590
PrimaLuna$2,950

Full specifications

Case

8 specs
Diameter
39.5mm
34mm
Thickness
8.8mm
11.6mm
Lug-to-Lug
48.3mm
41mm
Lug Width
22mm
8mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
No
Both sides
Dial Color
Black
Blue
Indices
Applied
Diamond indexes

Movement

7 specs
Caliber
Horage K2
L899.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
72h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date, Moon phase display at 6 o'clock

Pricing

1 specs
MSRP
$5,590
$2,950

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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.

Horage Autark K2 Small Seconds

Owners and reviewers widely praise Horage's technical capabilities and enthusiast-driven approach, with one owner highlighting the brand's craftsmanship, reliability, and value. The Horage Autark K2 Small Seconds features a Grade 5 titanium case and bracelet praised for being lightweight and comfortable for daily wear, offering 100 meters of water resistance and a 72-hour power reserve. Accuracy is rated within -4/+6 seconds per day. On balance, owners and reviewers rate the Horage Autark K2 Small Seconds highly for its technical innovation and value proposition.

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.

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