Side by side

Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph 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

9 of 29 specs differ
Diameter
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition39mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition40h
Flygraf Bi-Compax French Air Force40h
Water Resistance
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition100m
Flygraf Bi-Compax French Air Force100m
MSRP
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition$700
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

4 specs
Diameter
39mm
40mm
Thickness
13.3mm
9.5mm
Lug-to-Lug
45.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands and index(es)
None

Movement

1 specs
Caliber
V192

Pricing

1 specs
MSRP
$700
$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 Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

Owners and reviewers widely praise the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition for its attractive vintage-inspired aesthetics, functional solar dials, and wearable proportions, with some noting the chronograph pushers are a joy to operate. The domed sapphire crystal is a recurring positive, as is the overall value proposition at its price point, with specific models highlighted for their neo-vintage Daytona flair and Pogue-inspired colorways. However, several sources point to a limited bracelet clasp with only two micro-adjustments and a small, hard-to-read date window as drawbacks. Some owners also note internal reflections on the domed sapphire crystal and occasional slight misalignment of the chronograph seconds hand at zero. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition highly for its compelling retro design and modern solar functionality at an accessible price.

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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