Side by side

Orient M-Force AC0NvsSpinnaker Fleuss 40 Automatic

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

M-Force AC0N
OrientM-Force AC0N
MSRP $555
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

14 of 29 specs differ
Diameter
M-Force AC0N45mm
Fleuss 40 Automatic40mm
Power Reserve
M-Force AC0N40h
Fleuss 40 Automatic40h
Water Resistance
M-Force AC0N200m
Fleuss 40 Automatic150m
MSRP
M-Force AC0N$555
Fleuss 40 Automatic$450

Full specifications

Case

5 specs
Diameter
45mm
40mm
Thickness
12.8mm
11mm
Lug-to-Lug
52mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

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

Movement

4 specs
Caliber
F6727
SII NH35A
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25
Complications
Date
None

Pricing

1 specs
MSRP
$555
$450

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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.

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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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