Side by side

Sternglas Naos GroßdatumvsFormex Reef 42 mm

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

13 of 29 specs differ
Diameter
Naos Großdatum38mm
Reef 42 mm42mm
Power Reserve
Naos Großdatum
Reef 42 mm56h
Water Resistance
Naos Großdatum50m
Reef 42 mm300m
MSRP
Naos Großdatum$323
Reef 42 mm$2,414

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
42mm
Thickness
10mm
11.4mm
Lug-to-Lug
42mm
47mm
Lug Width
20mm
22mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Dial Color
Black
Lume
Luminova Punkten
Super-LumiNova

Movement

4 specs
Caliber
Seiko VJ76
Sellita SW300-1
Type
Quartz
Automatic
Power Reserve
56h
Jewels
25

Pricing

1 specs
MSRP
$323
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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