Side by side

Praesidus A-5 UDTvsYema Flygraf Bi-Compax French Air Force

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

A-5 UDT
PraesidusA-5 UDT
MSRP $645
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

9 of 29 specs differ
Diameter
A-5 UDT38mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
A-5 UDT40h
Flygraf Bi-Compax French Air Force40h
Water Resistance
A-5 UDT200m
Flygraf Bi-Compax French Air Force100m
MSRP
A-5 UDT$645
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

4 specs
Category
Diver
Chronograph
Diameter
38mm
40mm
Thickness
9.5mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Blue
Black

Movement

2 specs
Caliber
Miyota 9015
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$645
$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.

Praesidus A-5 UDT

The Praesidus A-5 UDT is noted for its historically inspired design, featuring an oversized crown cap and chain that pays homage to WW2 canteen watches. Reviewers highlight its functional dial with embossed, Super-LumiNova filled numerals and markers for legibility, alongside 200m water resistance and a 38mm brushed stainless steel case. Some owners find the 11.7mm thickness problematic, describing it as disproportionately tall. The watch's ana/digi functionality and connection to special operations forces are also praised. On balance, owners and reviewers appreciate the Praesidus A-5 UDT for its unique historical design elements and functional dial.

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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