Side by side

Grand Seiko SLGA015vsSpinnaker Bradner Pearl Diver

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.

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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

At a glance

12 of 29 specs differ
Diameter
SLGA01543.8mm
Bradner Pearl Diver42mm
Power Reserve
SLGA015120h
Bradner Pearl Diver
Water Resistance
SLGA015200m
Bradner Pearl Diver180m
MSRP
SLGA015$12,600
Bradner Pearl Diver$370

Full specifications

Case

6 specs
Diameter
43.8mm
42mm
Thickness
13.8mm
15mm
Lug-to-Lug
51.5mm
50mm
Lug Width
23mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
180m

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Emerald

Movement

3 specs
Caliber
Grand Seiko 9RA5
Seiko NH35
Type
Spring Drive
Automatic
Power Reserve
120h
0h

Pricing

1 specs
MSRP
$12,600
$370
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