Side by side

Longines LONGINES SPIRIT ZULU TIMEvsZelos Comet 39

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

LONGINES SPIRIT ZULU TIME
LonginesLONGINES SPIRIT ZULU TIME
MSRP $5,200
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

11 of 29 specs differ
Diameter
LONGINES SPIRIT ZULU TIME39mm
Comet 3939mm
Power Reserve
LONGINES SPIRIT ZULU TIME40h
Comet 3940h
Water Resistance
LONGINES SPIRIT ZULU TIME100m
Comet 3950m
MSRP
LONGINES SPIRIT ZULU TIME$5,200
Comet 39$2,499

Full specifications

Case

6 specs
Category
GMT
Dress
Thickness
13.5mm
7.6mm
Lug-to-Lug
46.8mm
39mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Tantalum LE

Movement

2 specs
Caliber
L844.4
ETA/Peseux 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$5,200
$2,499

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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 SPIRIT ZULU TIME

Owners widely praise the Longines Spirit Zulu Time for its superb finishing, smooth crown action, and mesmerizing ceramic bezel, with many noting its premium pilot/sporty design and unique dial details. The movement is consistently lauded for its extreme accuracy, running at 0 to +1 second per day, and the watch is considered to offer remarkable value that punches above its price point. However, the bracelet is criticized by multiple sources for its push-pin adjustment and limited micro-adjustment holes, and the 42mm case size with a 49.3mm lug-to-lug is noted as potentially large for smaller wrists, though some users express a preference for the 39mm size. One owner reported their movement failed within the first year and found setting the date a "nightmare," while another owner notes minor criticisms like the date window being slightly off-center. On balance, owners and reviewers rate the Longines Spirit Zulu Time highly for its impressive finishing and accuracy at its price point.

From video reviewers

The 39mm case size is a significant strength, addressing previous concerns about thickness. The value proposition within the GMT market is also a shared positive point. No consensus on weaknesses was reached.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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