Side by side

Grand Seiko SLGW003vsZelos Helica

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

SLGW003
Grand SeikoSLGW003
MSRP $11,600
Helica
ZelosHelica
MSRP $499

At a glance

12 of 29 specs differ
Diameter
SLGW00338.6mm
Helica39mm
Power Reserve
SLGW00380h
Helica40h
Water Resistance
SLGW00330m
Helica100m
MSRP
SLGW003$11,600
Helica$499

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38.6mm
39mm
Thickness
9.95mm
10.5mm
Lug-to-Lug
45mm
39mm
Material
Titanium
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
39 - Wave MOP

Movement

3 specs
Caliber
9SA4
Miyota 9015
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$11,600
$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 SLGW003

The Grand Seiko SLGW003 is praised for its comfortable, lightweight Brilliant Hard Titanium case, meticulous finishing, and a clean, modern dial. Reviewers highlight the new 9SA4 manual-wind movement, noting its attractive finishing, 80-hour power reserve, and accuracy of -3/+5 seconds per day. It is considered a versatile dress watch blending vintage and future Grand Seiko spirit. The €11,700 price is noted as expensive, with some questioning its value. Overall, reviewers rate the Grand Seiko SLGW003 highly for its elegant design and impressive manual-wind movement at its flagship price point.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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