Side by side

Yema Flygraf Bi-Compax French Air ForcevsZelos Spearfish GMT

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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

8 of 29 specs differ
Diameter
Flygraf Bi-Compax French Air Force40mm
Spearfish GMT40mm
Power Reserve
Flygraf Bi-Compax French Air Force40h
Spearfish GMT40h
Water Resistance
Flygraf Bi-Compax French Air Force100m
Spearfish GMT200m
MSRP
Flygraf Bi-Compax French Air Force$490
Spearfish GMT$999

Full specifications

Case

4 specs
Category
Chronograph
GMT
Thickness
9.5mm
13mm
Lug-to-Lug
40mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Black
Frost

Movement

2 specs
Caliber
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$490
$999

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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.

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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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