Side by side

Grand Seiko STGF359vsYema Flygraf Bi-Compax French Air Force

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

STGF359
Grand SeikoSTGF359
MSRP $2,600
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

9 of 29 specs differ
Diameter
STGF35928.9mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
STGF35940h
Flygraf Bi-Compax French Air Force40h
Water Resistance
STGF359100m
Flygraf Bi-Compax French Air Force100m
MSRP
STGF359$2,600
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
28.9mm
40mm
Thickness
8.7mm
9.5mm
Lug-to-Lug
35.4mm
Lug Width
14mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

1 specs
Caliber
4J52

Pricing

1 specs
MSRP
$2,600
$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.

Grand Seiko STGF359

Owners widely praise the Grand Seiko STGF359 for its elegant pairing with an engagement ring. Some owners find the 29mm case size too small for a man's wrist, while others suggest it can be worn by men with smaller wrists, recommending an in-person try-on. One owner notes potential date wheel misalignment requiring servicing. The bracelet has a maximum perimeter of 185mm, with extra links available. On balance, owners value the Grand Seiko STGF359 for its elegant aesthetic, though its small size is a point of consideration.

From video reviewers

The Grand Seiko STGF359 features a 9F quartz movement with exceptional accuracy, deviating by only +/−10 seconds per year. A drawback of the watch is its 40mm case size, which may be a concern for those with smaller wrists. Reviewers disagree on the type of movement, with one praising the 9F quartz and the other highlighting the spring drive movement.

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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