Side by side

Grand Seiko SBGE253vsZelos Helica Moonphase

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

SBGE253
Grand SeikoSBGE253
MSRP $6,900
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

12 of 29 specs differ
Diameter
SBGE25340.5mm
Helica Moonphase39mm
Power Reserve
SBGE25372h
Helica Moonphase40h
Water Resistance
SBGE253200m
Helica Moonphase100m
MSRP
SBGE253$6,900
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
GMT
Moonphase
Diameter
40.5mm
39mm
Thickness
14.7mm
10mm
Lug-to-Lug
48.7mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Meteorite

Movement

3 specs
Caliber
9R66
Sellita SW288 Moonphase
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$6,900
$1,049

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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 SBGE253

Grand Seiko SBGE253 owners widely praise its 40.5mm stainless steel case, Zaratsu polishing, and the Spring Drive Calibre 9R66 movement, noting its exceptional accuracy of ±1 second per day or ±15 seconds per month and a 72-hour power reserve. The watch is considered versatile with its black dial and a true GMT complication, and the bracelet clasp is specifically lauded for its comfortable, wrist-contouring design. Some reviewers find the power reserve indicator placement cluttered, while others dislike the fixed bezel and repeated numbers on the rehaut and bezel. The Grand Seiko SBGE253 is available new for around $4k from Japanese dealers, a significant discount off MSRP. On balance, owners and reviewers rate the Grand Seiko SBGE253 highly for its blend of high-end finishing, accurate Spring Drive GMT movement, and comfortable wearability.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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