Side by side

Horage Omnium K2vsLongines SPIRIT ZULU TIME 1925

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

Omnium K2
HorageOmnium K2
MSRP $5,140
SPIRIT ZULU TIME 1925
LonginesSPIRIT ZULU TIME 1925
MSRP $4,700

At a glance

20 of 29 specs differ
Diameter
Omnium K237.3mm
SPIRIT ZULU TIME 192539mm
Power Reserve
Omnium K272h
SPIRIT ZULU TIME 192572h
Water Resistance
Omnium K2100m
SPIRIT ZULU TIME 1925100m
MSRP
Omnium K2$5,140
SPIRIT ZULU TIME 1925$4,700

Full specifications

Case

8 specs
Category
Dress
GMT
Diameter
37.3mm
39mm
Thickness
7.95mm
13.5mm
Lug-to-Lug
43.8mm
46.8mm
Lug Width
20mm
21mm
Material
Stainless Steel
Gold
Finish
Brushed and polished
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
No
Both sides
Dial Color
Green
Black
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
$5,140
$4,700

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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 Omnium K2

The Horage Omnium K2 is lauded for its slim 7.95mm profile and chronometer-certified K2 micro-rotor movement with a 72-hour power reserve. Reviewers note its technical innovation, including a proprietary silicon escapement and modular K1 movement, and praise its value. However, some find the molded, luminous hour numerals too whimsical, and the explicit mention of "silicon escapement" on the dial is considered unnecessary. On balance, reviewers rate the Horage Omnium K2 highly for its technical innovation and slim profile at its price point.

Longines SPIRIT ZULU TIME 1925

The Longines SPIRIT ZULU TIME 1925 is widely praised for its handsome, vintage-inspired two-tone aesthetic, featuring a rose-gold capped bezel and dial accents, and is noted for its segment-leading finishing and solid feel. Owners and reviewers highlight the pleasing combination of precious metal with a rugged character. The watch is powered by the ETA-produced L844.4 automatic GMT movement, which is COSC chronometer certified and offers a 72-hour power reserve, visible through a sapphire caseback. Some reviewers flag the 13.5mm thickness as substantial, and the male endlinks may affect wearability on smaller wrists. The Longines SPIRIT ZULU TIME 1925 is priced at approximately $4,350 and includes a bracelet and an additional NATO strap. Overall, owners and reviewers rate the Longines SPIRIT ZULU TIME 1925 highly for its refined vintage-inspired design and excellent finishing at its price point.

From video reviewers

The Spirit Zulu Time 1925 features excellent finishing and a true GMT function. Reviewers questioned the value proposition due to the rose gold being a cap rather than solid.

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