Side by side

Lum-Tec Combat B71vsOrient M-Force AC0N

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

Combat B71
Lum-TecCombat B71
MSRP $595
M-Force AC0N
OrientM-Force AC0N
MSRP $555
What people say

Owners + reviewers, side by side

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

Lum-Tec Combat B71

Owners widely praise the Lum-Tec Combat B7 for its exceptionally bright lume and utilitarian design, with one owner specifically noting the appeal of the Cali dial. Confidence exists in the durability of its DLC coating. Reviewers, however, flag the hands as too short and the date window as less than ideally integrated.

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.

At a glance

14 of 29 specs differ
Diameter
Combat B7143mm
M-Force AC0N45mm
Power Reserve
Combat B7140h
M-Force AC0N40h
Water Resistance
Combat B71200m
M-Force AC0N200m
MSRP
Combat B71$595
M-Force AC0N$555

Full specifications

Case

5 specs
Category
Diver
Diameter
43mm
45mm
Thickness
13.6mm
12.8mm
Lug-to-Lug
51.5mm
52mm
Lug Width
22mm
20mm

Crystal & Dial

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

Movement

4 specs
Caliber
Ronda 515
F6727
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
Date

Pricing

1 specs
MSRP
$595
$555
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