Side by side

Bremont MBIIIvsGrand Seiko STGF359

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

MBIII
BremontMBIII
MSRP $5,450
STGF359
Grand SeikoSTGF359
MSRP $2,600

At a glance

10 of 29 specs differ
Diameter
MBIII43mm
STGF35928.9mm
Power Reserve
MBIII40h
STGF35940h
Water Resistance
MBIII100m
STGF359100m
MSRP
MBIII$5,450
STGF359$2,600

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
43mm
28.9mm
Thickness
14.5mm
8.7mm
Lug-to-Lug
35.4mm
Lug Width
14.5mm
14mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Armoured II
Black

Movement

2 specs
Caliber
BE-36AE
4J52
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$5,450
$2,600

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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.

Bremont MBIII

The Bremont MBIII is praised for its versatile pilot's watch design, excellent dial visibility, and shock-resistant chronometer movement housed in a 43mm Trip-Tick case with a Faraday cage. Owners appreciate its unique origin story tied to Martin-Baker ejection seats and the brand's distinctive design language, with some noting the orange barrel accent. The watch features a 24-hour scale, 100m water resistance, and an improved Roto Click bezel. However, the "DANGER EJECTION SEAT" dial text is considered divisive, and its ETA 2892 GMT movement is not a "true" GMT as only the 24-hour hand is independently adjustable. On balance, owners and reviewers value the Bremont MBIII for its robust build and unique aviation-inspired narrative.

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.

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