Side by side

Grand Seiko SBGW258vsZelos Helica

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

SBGW258
Grand SeikoSBGW258
MSRP $26,000
Helica
ZelosHelica
MSRP $499

At a glance

13 of 29 specs differ
Diameter
SBGW25838mm
Helica39mm
Power Reserve
SBGW25872h
Helica40h
Water Resistance
SBGW25830m
Helica100m
MSRP
SBGW258$26,000
Helica$499

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38mm
39mm
Thickness
10.9mm
10.5mm
Lug-to-Lug
45.8mm
39mm
Lug Width
19mm
20mm
Material
Gold
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
9S64
Miyota 9015
Type
Manual
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$26,000
$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 SBGW258

The Grand Seiko SBGW258 is a yellow gold dress watch featuring a 38mm case and a manual-wind caliber 9S64 movement with a 72-hour power reserve, rated for accuracy to +5/-3 seconds per day. It includes a raised gold logo on the dial and comes with a brown leather strap. On balance, reviewers highlight the Grand Seiko SBGW258 as a classic, precious metal timepiece representing fine watchmaking tradition.

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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