Side by side

Horage Autark K2 Small SecondsvsLongines SPIRIT ZULU TIME

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
SPIRIT ZULU TIME
LonginesSPIRIT ZULU TIME
MSRP $3,550

At a glance

20 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
SPIRIT ZULU TIME39mm
Power Reserve
Autark K2 Small Seconds72h
SPIRIT ZULU TIME72h
Water Resistance
Autark K2 Small Seconds100m
SPIRIT ZULU TIME100m
MSRP
Autark K2 Small Seconds$5,590
SPIRIT ZULU TIME$3,550

Full specifications

Case

8 specs
Category
Dress
GMT
Diameter
39.5mm
39mm
Thickness
8.8mm
13.5mm
Lug-to-Lug
48.3mm
46.8mm
Lug Width
22mm
21mm
Material
Titanium
Ceramic
Finish
Brushed and polished
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
No
Both sides
Dial Color
Black
Anthracite
Indices
Applied
Applied Arabic numerals

Movement

7 specs
Caliber
Horage K2
L844.4
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, 24 hours hand with time zone mechanism

Pricing

1 specs
MSRP
$5,590
$3,550

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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 SPIRIT ZULU TIME

Owners widely praise the Longines Spirit Zulu Time for its excellent fit and finish, visual appeal, and value, with many preferring its thinner titanium case and color-matched date wheel. Reviewers highlight its legibility and comfortable 39mm wearability, while some owners note the bracelet could be weightier and lacks tool-less micro-adjustment. Accuracy figures range from +5 seconds per day to unspecified, and one owner reported condensation risk in hot tubs. On balance, owners and reviewers rate the Longines Spirit Zulu Time highly for its blend of tool-watch utility and segment-leading finishing at its price point.

From video reviewers

The 18k gold capped bezel insert is a notable feature, adding a touch of luxury to the watch. However, the watch's lume is not as bright as some reviewers would like, which is a drawback for those who prioritize good illumination. Reviewers disagree on the watch's functionality, with some considering it a compelling option and others feeling it doesn't quite live up to its design.

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