Side by side

Orient M-Force AC0NvsSeiko Captain Willard

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

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.

Seiko Captain Willard

The Seiko Prospex Sea 1970 Diver's Modern Re-interpretation is praised for its impressive finishing and value, with reviewers noting its well-designed dial and excellent LumiBrite lume. The watch features a textured grey or dark brown dial, silver hands and indexes with beige or cream lume, and a matte grey or dark bezel insert. It houses the 6R35 automatic movement with a 70-hour power reserve. Some reviewers question if its performance specs align with its price point. Overall, reviewers rate the Seiko Prospex Sea 1970 Diver's Modern Re-interpretation highly for its finishing and value over $1,000.

At a glance

14 of 29 specs differ
Diameter
M-Force AC0N45mm
Captain Willard42.7mm
Power Reserve
M-Force AC0N40h
Captain Willard70h
Water Resistance
M-Force AC0N200m
Captain Willard200m
MSRP
M-Force AC0N$555
Captain Willard$1,300

Full specifications

Case

3 specs
Diameter
45mm
42.7mm
Thickness
12.8mm
13.2mm
Lug-to-Lug
52mm
46.6mm

Crystal & Dial

3 specs
Crystal Shape
Curved
Dial Color
Green
Black
Lume
None
LumiBrite

Movement

7 specs
Caliber
F6727
6R35
Beat Rate
21,600 vph
0 vph
Power Reserve
40h
70h
Jewels
22
24
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$555
$1,300
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