Side by side

Grand Seiko SLGB005vsLongines MASTER COLLECTION

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

SLGB005
Grand SeikoSLGB005
MSRP $11,100
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,650

At a glance

18 of 29 specs differ
Diameter
SLGB00537mm
MASTER COLLECTION29mm
Power Reserve
SLGB00572h
MASTER COLLECTION72h
Water Resistance
SLGB005100m
MASTER COLLECTION30m
MSRP
SLGB005$11,100
MASTER COLLECTION$2,650

Full specifications

Case

8 specs
Category
Dress
Diameter
37mm
29mm
Thickness
11.4mm
9.64mm
Lug-to-Lug
44.3mm
49.6mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied

Movement

6 specs
Caliber
9RB2
L888.5
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$11,100
$2,650

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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.

Grand Seiko SLGB005

The Grand Seiko SLGB005 is widely praised for its stunning "Ice Forest" smoked purple dial, inspired by frost-covered trees, and its compact 37mm Ever-Brilliant Steel case. It is powered by the 9RB2 Spring Drive caliber, noted for its exceptional accuracy of ±3 seconds per month or ±20 seconds per year, and offers a 72-hour power reserve. Reviewers consistently highlight the dial's mesmerizing beauty and the case's sculpted design as significant strengths. However, multiple sources express disappointment that the Grand Seiko SLGB005 omits the micro-adjustment clasp found on other models, especially considering its $11,100 price point, though one reviewer found this did not detract from wearability. Overall, reviewers rate the Grand Seiko SLGB005 highly for its visually arresting dial and precise Spring Drive movement, despite the clasp oversight.

From video reviewers

The watch features a ±3 seconds per month accurate Ultra Fine Accuracy Calibre 9RB2 movement. The Ever-Brilliant Steel finish has polishing flaws that detract from the watch's appearance. Reviewers disagree on the movement's accuracy, with one reviewer citing ±3 seconds per month and another ±10 seconds per month.

Longines MASTER COLLECTION

Owners widely praise the Longines Master Collection for its excellent finishing, classic styling, and value proposition, with specific call-outs for beautiful dials, Breguet numerals, and complications like moon phases and annual calendars. Reviewers and owners alike highlight the attractive price point for a Swiss-made timepiece featuring these elements. Some owners note the bracelet lacks sufficient micro-adjustment for a perfect fit, and one reviewer found the case finishing somewhat homogenous. A specific chronograph variant's pushers were described as having a cheap feel, and its hour counter did not always reset to zero, while another variant's subdial obscured a numeral. Water resistance is noted as 30m for one model, considered light by a reviewer. Overall, owners rate the Longines Master Collection highly for its dial aesthetics and the value it offers in complications and finishing.

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