Side by side

Orient M-Force AC0NvsYema Navygraf Marine Nationale Quartz

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

The bottom line

The 39mm Navygraf Marine Nationale Quartz wears 6mm narrower than the 45mm M-Force AC0N — that's a meaningful jump on most wrists.

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 Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

Where to get them

Check prices & track

Orient M-Force AC0N
Orient M-Force AC0N
MSRP $555
Yema Navygraf Marine Nationale Quartz
Yema Navygraf Marine Nationale Quartz
MSRP $499
M-Force AC0N
OrientM-Force AC0N
MSRP $555
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

16 of 29 specs differ
Diameter
M-Force AC0N45mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
M-Force AC0N40h
Navygraf Marine Nationale Quartz40h
Water Resistance
M-Force AC0N200m
Navygraf Marine Nationale Quartz100m
MSRP
M-Force AC0N$555
Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs
Diameter
45mm
39mm
Thickness
12.8mm
11mm
Lug-to-Lug
52mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Green
Standard
Indices
Applied

Movement

5 specs
Caliber
F6727
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25
Complications
Date
None

Pricing

1 specs
MSRP
$555
$499

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