Side by side

Sternglas Naos GroßdatumvsGrand Seiko SBGN027

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

13 of 29 specs differ
Diameter
Naos Großdatum38mm
SBGN02739mm
Power Reserve
Naos Großdatum
SBGN02740h
Water Resistance
Naos Großdatum50m
SBGN027200m
MSRP
Naos Großdatum$323
SBGN027$3,700

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38mm
39mm
Thickness
10mm
12.3mm
Lug-to-Lug
42mm
45.9mm
Lug Width
20mm
19mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Lume
Luminova Punkten
None

Movement

3 specs
Caliber
Seiko VJ76
9F86
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$3,700

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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.

Sternglas Naos Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

Grand Seiko SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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