Side by side

Grand Seiko SBGA427vsZelos Nova 37

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

SBGA427
Grand SeikoSBGA427
MSRP $5,800
Nova 37
ZelosNova 37
MSRP $899

At a glance

13 of 29 specs differ
Diameter
SBGA42739mm
Nova 3737mm
Power Reserve
SBGA42772h
Nova 3740h
Water Resistance
SBGA427100m
Nova 3750m
MSRP
SBGA427$5,800
Nova 37$899

Full specifications

Case

6 specs
Diameter
39mm
37mm
Thickness
12.3mm
7mm
Lug-to-Lug
46.8mm
37mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Salmon

Movement

3 specs
Caliber
9R65
ETA 7001
Type
Spring Drive
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,800
$899

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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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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