Side by side

Grand Seiko SLGA015vsZelos GT

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

SLGA015
Grand SeikoSLGA015
MSRP $12,600
GT
ZelosGT
MSRP $499

At a glance

13 of 29 specs differ
Diameter
SLGA01543.8mm
GT42mm
Power Reserve
SLGA015120h
GT40h
Water Resistance
SLGA015200m
GT100m
MSRP
SLGA015$12,600
GT$499

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
43.8mm
42mm
Thickness
13.8mm
10.8mm
Lug-to-Lug
51.5mm
42mm
Lug Width
23mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
SS - Azzurro

Movement

3 specs
Caliber
9RA5
Miyota 9133
Type
Spring Drive
Automatic
Power Reserve
120h
40h

Pricing

1 specs
MSRP
$12,600
$499

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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 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.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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