Side by side

Orient M-Force AC0NvsSpinnaker Hull Riviera

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

M-Force AC0N
OrientM-Force AC0N
MSRP $555
Hull Riviera
SpinnakerHull Riviera
MSRP $169

At a glance

16 of 29 specs differ
Diameter
M-Force AC0N45mm
Hull Riviera42mm
Power Reserve
M-Force AC0N40h
Hull Riviera40h
Water Resistance
M-Force AC0N200m
Hull Riviera100m
MSRP
M-Force AC0N$555
Hull Riviera$169

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
45mm
42mm
Thickness
12.8mm
15mm
Lug-to-Lug
52mm
47.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Green
Blue
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
$169

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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 Hull Riviera

Owners praise the Spinnaker Hull Riviera's build quality, highlighting its milled clasp, solid links, and effective anti-reflective coating on the sapphire crystal. The watch features a sandwich dial with Superluminova, measures 42mm in diameter, 12mm thick with a 48mm lug-to-lug span, and uses a Seiko NH35 movement. Accuracy is reported as excellent, with one owner noting a gain of only +2 seconds over seven days. The crystal is noted as being fused to the case, leading to a repair quote of $198 for a cracked crystal, a cost considered excessive by some owners relative to the watch's price. Lume is considered mediocre, and some would have preferred a 4Hz movement. Overall, owners rate the Spinnaker Hull Riviera highly for its robust build and impressive accuracy at its price point.

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