Side by side

Longines CONQUEST HERITAGEvsYema Flygraf Bi-Compax French Air Force

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

CONQUEST HERITAGE
LonginesCONQUEST HERITAGE
MSRP $3,400
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

20 of 29 specs differ
Diameter
CONQUEST HERITAGE38mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
CONQUEST HERITAGE
Flygraf Bi-Compax French Air Force40h
Water Resistance
CONQUEST HERITAGE50m
Flygraf Bi-Compax French Air Force100m
MSRP
CONQUEST HERITAGE$3,400
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

8 specs
Category
Chronograph
Diameter
38mm
40mm
Thickness
10.8mm
9.5mm
Lug-to-Lug
48.1mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Anthracite
Black
Indices
Applied

Movement

7 specs
Caliber
L888.5
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$3,400
$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.

Longines CONQUEST HERITAGE

Owners widely praise the Longines Conquest Heritage for its beautiful, unique dial designs and faithful vintage re-release aesthetic, with reviewers highlighting its balanced, thin, and lightweight feel. The 35mm version is noted for its pie-pan dial, applied markers, dauphine hands with lume, and ETA 2824/2 movement, while the Central Power Reserve variant revives a 1959 design with a novel central power reserve indicator. Some owners find the Central Power Reserve model slightly big and chunky, and one reviewer notes the lugs can create a noticeable gap on the wrist. The indices and hands can be harder to read in direct light. On balance, owners and reviewers rate the Longines Conquest Heritage highly for its elegant, vintage look and attractive finishing at its 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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