Side by side

Orient M-Force AC0NvsSeiko Prospex Sea JAWS 50th Anniversary Limited Edition

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 Prospex Sea JAWS 50th Anniversary Limited Edition

The Seiko Prospex Sea JAWS 50th Anniversary Limited Edition is praised for its well-executed movie homage, featuring a striking silver-to-blue gradient dial with a hidden shark design and the "JAWS" logo. Owners note the special case back marked with the Orca boat and shark fin, and the inclusion of a special box. The watch is considered a fun summer piece, with a comfortable blue silicone strap, despite its 45mm dimensions. The 4R36 automatic movement is noted to have a 41-hour power reserve, with accuracy reported between +45 and -35 seconds per day. On balance, owners and reviewers appreciate the Seiko Prospex Sea JAWS 50th Anniversary Limited Edition for its unique Jaws-themed dial and commemorative details.

At a glance

14 of 29 specs differ
Diameter
M-Force AC0N45mm
Prospex Sea JAWS 50th Anniversary Limited Edition45mm
Power Reserve
M-Force AC0N40h
Prospex Sea JAWS 50th Anniversary Limited Edition41h
Water Resistance
M-Force AC0N200m
Prospex Sea JAWS 50th Anniversary Limited Edition200m
MSRP
M-Force AC0N$555
Prospex Sea JAWS 50th Anniversary Limited Edition$795

Full specifications

Case

3 specs
Thickness
12.8mm
13.2mm
Lug-to-Lug
52mm
47.7mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Green
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

7 specs
Caliber
F6727
4R36
Beat Rate
21,600 vph
0 vph
Power Reserve
40h
41h
Jewels
22
24
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$555
$795
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