Side by side

Bell & Ross BR-05 GMT Sky BluevsGrand Seiko STGK031

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

BR-05 GMT Sky Blue
Bell & RossBR-05 GMT Sky Blue
MSRP $6,264
STGK031
Grand SeikoSTGK031
MSRP $6,600

At a glance

18 of 29 specs differ
Diameter
BR-05 GMT Sky Blue41mm
STGK03130mm
Power Reserve
BR-05 GMT Sky Blue
STGK03150h
Water Resistance
BR-05 GMT Sky Blue100m
STGK031100m
MSRP
BR-05 GMT Sky Blue$6,264
STGK031$6,600

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
41mm
30mm
Thickness
10.5mm
Lug-to-Lug
36.2mm
Lug Width
15mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
White
Black
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
BR-CAL.325
9S27
Beat Rate
28,800 vph
Power Reserve
50h
Jewels
25
Complications
Hours/Minutes, Seconds, Date, GMT
None

Pricing

1 specs
MSRP
$6,264
$6,600

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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.

Bell & Ross BR-05 GMT Sky Blue

Owners and reviewers widely praise the Bell & Ross BR-05 GMT Sky Blue for its excellent finishing, sharp transitions between brushed and polished surfaces, and attractive blue sunray dial. It is noted to wear well on wrists under 6.5 inches. Some owners question its value proposition due to the Sellita movement, and one owner finds the crown can be fussy to use, while another notes sharp edges on the bracelet links. Overall, owners and reviewers rate the Bell & Ross BR-05 GMT Sky Blue highly for its cohesive package and attractive case execution.

Grand Seiko STGK031

Grand Seiko STGK031 owners widely praise its subtle, light pink dial that shifts to appear white or silver depending on lighting, its refined 30mm case size, and its simple elegance. Some find the 30mm sizing perfect for wearability, with one owner noting it is ideal for those who find 38mm watches too large. The Zaratsu polishing is also a noted strength. However, the Calibre 9S27 movement has a 50-hour power reserve and an accuracy range of +8 to -3 seconds per day, which some consider modest for the price. On balance, owners and reviewers rate the Grand Seiko STGK031 highly for its versatile dial and refined 30mm case.

From video reviewers

The 50-hour power reserve of the Calibre 9S27 movement is a shared strength. The 36mm lug-to-lug measurement is a weakness. Reviewers disagreed on the premium feel of the polished stainless steel case and bracelet compared to Zaratsu polishing.

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