Side by side

Longines SPIRIT ZULU TIMEvsYema Navygraf 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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

21 of 29 specs differ
Diameter
SPIRIT ZULU TIME39mm
Navygraf CMM.1039mm
Power Reserve
SPIRIT ZULU TIME72h
Navygraf CMM.1040h
Water Resistance
SPIRIT ZULU TIME100m
Navygraf CMM.10100m
MSRP
SPIRIT ZULU TIME$3,550
Navygraf CMM.10$1,899

Full specifications

Case

7 specs
Category
GMT
Diver
Thickness
13.5mm
11mm
Lug-to-Lug
46.8mm
46mm
Lug Width
21mm
19mm
Material
Ceramic
316L Stainless Steel
Finish
Brushed and polished
Caseback
Screw-down case back
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Both sides
Inner
Dial Color
Anthracite
Standard
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
$1,899

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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 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.

Yema Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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