Side by side

Breitling Premier Automatic Day Date 40vsGrand Seiko SBGA427

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Premier Automatic Day Date 40

Owners praise the Breitling Premier Automatic Day Date 40 for its refined, timeless design and good value. The anthracite dial is noted as a specific attractive feature. Some owners expressed a preference for an in-house caliber over the Breitling 45 movement. On balance, owners view the Breitling Premier Automatic Day Date 40 positively, appreciating its understated elegance and value proposition.

Grand Seiko SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

At a glance

14 of 29 specs differ
Diameter
Premier Automatic Day Date 4040mm
SBGA42739mm
Power Reserve
Premier Automatic Day Date 4038h
SBGA42772h
Water Resistance
Premier Automatic Day Date 40100m
SBGA427100m
MSRP
Premier Automatic Day Date 40$5,950
SBGA427$5,800

Full specifications

Case

6 specs
Category
Mechanical
Dress
Diameter
40mm
39mm
Thickness
11.41mm
12.3mm
Lug-to-Lug
46.8mm
Lug Width
0mm
19mm
Finish
Stainless steel

Crystal & Dial

1 specs
AR Coating
Yes

Movement

6 specs
Caliber
Breitling 45
9R65
Type
Automatic
Spring Drive
Power Reserve
38h
72h
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Day-Date
None

Pricing

1 specs
MSRP
$5,950
$5,800
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