Side by side

Seiko 5 Sports SKX series MOONEYES Limited EditionvsYema Flygraf Bi-Compax French Air Force

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

Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

14 of 29 specs differ
Diameter
5 Sports SKX series MOONEYES Limited Edition42.5mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
5 Sports SKX series MOONEYES Limited Edition41h
Flygraf Bi-Compax French Air Force40h
Water Resistance
5 Sports SKX series MOONEYES Limited Edition100m
Flygraf Bi-Compax French Air Force100m
MSRP
5 Sports SKX series MOONEYES Limited Edition$420
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

6 specs
Category
Sport
Chronograph
Diameter
42.5mm
40mm
Thickness
13.4mm
9.5mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Flat
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
4R36
Type
Automatic
Quartz
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$420
$490

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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.

Seiko 5 Sports SKX series MOONEYES Limited Edition

The Seiko 5 Sports SKX series MOONEYES Limited Edition is praised for its bold, sporty design, featuring a vibrant yellow sunray dial and a unique acrylic bezel insert that evokes hot-rodding culture. Owners note the surprisingly wearable yellow color and the distinctive Mooneyes branding that stands out in person. The 42.5mm case is complemented by a short 46mm lug-to-lug distance, allowing for comfortable wear on smaller wrists. It is powered by the 4R36 automatic movement, offering a 41-hour power reserve, and comes with both a steel bracelet and a striped nylon strap. Overall, owners and reviewers appreciate the Seiko 5 Sports SKX series MOONEYES Limited Edition for its fun, retro aesthetic and comfortable wearability at an affordable price point.

Yema Flygraf Bi-Compax French Air Force

Owners widely praise the Yema Flygraf Bi-Compax French Air Force for its attractive, toolish aesthetic and excellent quality for the price, noting the legible Type A dial and 40mm titanium case. However, the acrylic crystal scratches easily, and the titanium case is prone to marking. The mecha-quartz movement's chrono timer sweeps rather than ticks, and one owner questions the purpose of the oversized crown. The in-house Yema 2000 movement is accurate at +/- 10 seconds per day but has a 42-hour power reserve, and some owners express concerns regarding Yema's past quality control and customer service. On balance, owners rate the Yema Flygraf Bi-Compax French Air Force highly for its attractive design and value, despite concerns about material durability and brand service history.

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