Side by side

Longines SPIRIT ZULU TIMEvsYema Superman Steel CMM.10

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

SPIRIT ZULU TIME
LonginesSPIRIT ZULU TIME
MSRP $3,550
Superman Steel CMM.10
YemaSuperman Steel CMM.10
MSRP $1,890

At a glance

23 of 29 specs differ
Diameter
SPIRIT ZULU TIME42mm
Superman Steel CMM.1039mm
Power Reserve
SPIRIT ZULU TIME72h
Superman Steel CMM.1040h
Water Resistance
SPIRIT ZULU TIME100m
Superman Steel CMM.10300m
MSRP
SPIRIT ZULU TIME$3,550
Superman Steel CMM.10$1,890

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
14.1mm
11.3mm
Lug-to-Lug
49.4mm
Lug Width
22mm
19mm
Material
Ceramic
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Both sides
Inner
Dial Color
Black
Steel
Indices
Applied Arabic numerals
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
L844.4
Yema CMM.10
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, 24 hours hand with time zone mechanism
None

Pricing

1 specs
MSRP
$3,550
$1,890

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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 refined finishing, attractive dial with gilt elements, and smooth winding action. Reviewers highlight its handsome and versatile design, with some noting the 39mm variant offers comfortable wearability. The L844.4 movement provides a 72-hour power reserve and COSC certification. Some owners find the bracelet lacks sufficient micro-adjustment and prefer a weightier feel, while others note the 41mm or 42mm case sizes may be large for smaller wrists. On balance, owners and reviewers rate the Longines SPIRIT ZULU TIME highly for its excellent finishing and appealing design at its price point.

Yema Superman Steel CMM.10

Owners widely praise the Yema Superman Steel CMM.10 for its refined casework, including polished lug bevels and an elegant crown guard, and its comfortable 39mm x 10.5mm dimensions. The glossy black lacquer dial and bezel insert are noted for adding depth, and the in-house CMM.10 movement is reported to be accurate, with one owner observing a loss of only 2 seconds over 2 days. The scales bracelet is described as gorgeous and nearly invisible on the wrist, though some find its polished center links too flashy. One reviewer flagged the signature bezel lock mechanism as flimsy and inconvenient. The CMM.10 automatic movement offers a 70-hour power reserve and is regulated to within +5/-3 seconds per day. On balance, owners and reviewers rate the Yema Superman Steel CMM.10 highly for its refined finishing and comfortable wearability at its price point.

From video reviewers

The Yema Steel features an in-house movement with a micro-rotor, one of the most beautiful at this price point. The watch's clasp feels a bit thin, which is a notable drawback. Reviewers disagree on the movement's power reserve, with one reviewer noting a 42-hour reserve and the other not mentioning power reserve at all.

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