Side by side

Breitling Super Chronomat B01 44vsGrand Seiko SLGA015

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 Super Chronomat B01 44

Owners widely appreciate the Breitling Super Chronomat B01 44 for its versatility, with one owner finding it their most worn watch due to its ability to transition between casual and dressy occasions by swapping straps. The watch is noted for its eye-catching dial, shining sapphire and bezel, and the impressive B01 movement. However, one owner reported significant issues with accuracy and power reserve, which persisted through multiple service attempts. Another owner found the minute hands less visible than traditional divers in low light, though they still considered the titanium model functional as a diving watch. The rubber strap is frequently described as cool and very comfortable. Overall, owners rate the Breitling Super Chronomat B01 44 highly for its versatility and aesthetic appeal, despite isolated reports of accuracy issues.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

At a glance

13 of 29 specs differ
Diameter
Super Chronomat B01 4444mm
SLGA01543.8mm
Power Reserve
Super Chronomat B01 4470h
SLGA015120h
Water Resistance
Super Chronomat B01 44200m
SLGA015200m
MSRP
Super Chronomat B01 44$13,250
SLGA015$12,600

Full specifications

Case

6 specs
Diameter
44mm
43.8mm
Thickness
14.45mm
13.8mm
Lug-to-Lug
51.5mm
Lug Width
0mm
23mm
Material
950 Platinum
Titanium
Finish
Stainless steel

Crystal & Dial

1 specs
AR Coating
Yes

Movement

5 specs
Caliber
Breitling B01
Grand Seiko 9RA5
Type
Automatic
Spring Drive
Power Reserve
70h
120h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$13,250
$12,600
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