Side by side

Orient M-Force AC0NvsYema Navygraf Pearl CMM.20

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

M-Force AC0N
OrientM-Force AC0N
MSRP $555
Navygraf Pearl CMM.20
YemaNavygraf Pearl CMM.20
MSRP $1,862
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Orient M-Force AC0N

Owners widely praise the Orient M-Force AC0N for its rugged, tank-like appearance and robust, well-built construction, with many citing the reliability of Japanese automatic movements as a key draw. Reviewers and owners consistently flag excellent lume and a superior diver bezel, though one owner notes poor low-light legibility due to weak lume. Accuracy figures vary, with one owner reporting stable +12 seconds/day timekeeping while another found it kept near-perfect time when fully wound; a wobbly crown was also noted by one owner. Overall, owners rate the Orient M-Force AC0N highly for its toughness and value, with its striking design and durable build being the primary reasons for satisfaction.

Yema Navygraf Pearl CMM.20

The Yema Navygraf Pearl CMM.20 is praised for its elegant and slim case design, measuring between 9.5mm and 9.75mm thick, and its unique mother-of-pearl dial and bezel. The watch features functional dive watch elements like 200-meter water resistance and is powered by the in-house CMM.20 micro-rotor movement, which offers a 70-hour power reserve and is adjusted to -3/+7 seconds a day. Overall, reviewers highlight the Yema Navygraf Pearl CMM.20's sophisticated aesthetic and slim profile as its primary strengths.

At a glance

16 of 29 specs differ
Diameter
M-Force AC0N45mm
Navygraf Pearl CMM.2039mm
Power Reserve
M-Force AC0N40h
Navygraf Pearl CMM.2040h
Water Resistance
M-Force AC0N200m
Navygraf Pearl CMM.20100m
MSRP
M-Force AC0N$555
Navygraf Pearl CMM.20$1,862

Full specifications

Case

6 specs
Diameter
45mm
39mm
Thickness
12.8mm
9.75mm
Lug-to-Lug
52mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Green
Pearl
Indices
Applied

Movement

4 specs
Caliber
F6727
Yema CMM.20
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25
Complications
Date
None

Pricing

1 specs
MSRP
$555
$1,862
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