Side by side

Bremont MBIIIvsGrand Seiko SBGP009

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

MBIII
BremontMBIII
MSRP $5,450
SBGP009
Grand SeikoSBGP009
MSRP $3,100

At a glance

10 of 29 specs differ
Diameter
MBIII43mm
SBGP00940mm
Power Reserve
MBIII40h
SBGP00940h
Water Resistance
MBIII100m
SBGP009100m
MSRP
MBIII$5,450
SBGP009$3,100

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
43mm
40mm
Thickness
14.5mm
10.6mm
Lug-to-Lug
47mm
Lug Width
14.5mm
20mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Armoured II
Black

Movement

2 specs
Caliber
BE-36AE
9F85
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$5,450
$3,100

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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 SBGP009

Grand Seiko SBGP009 owners note its "normal quartz" movement, and one owner criticizes the bracelet for lacking a taper. One owner cites a 40-year-old Seiko quartz watch that has only required battery changes as evidence of the reliability of Grand Seiko's quartz movements. On balance, owners value the Grand Seiko SBGP009 for its perceived long-term reliability.

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