Side by side

Feynman Timekeepers CovevsSangin Instruments Neptune

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

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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.

Feynman Timekeepers Cove

Owners widely praise the Feynman Timekeepers Cove for its original and versatile design. One owner highlights the lume as a key appeal. One owner found the Feynman Cove outside their price range. Overall, owners rate the Feynman Timekeepers Cove highly for its original and versatile design.

Sangin Instruments Neptune

The Sangin Neptune offers a compelling value proposition around $800. Reviewers noted a lack of specific detail regarding water resistance and case finishing.

At a glance

10 of 29 specs differ
Diameter
Cove40mm
Neptune40mm
Power Reserve
Cove50h
Neptune
Water Resistance
Cove200m
Neptune300m
MSRP
Cove$1,045
Neptune$1,599

Full specifications

Case

5 specs
Thickness
12.8mm
0mm
Lug-to-Lug
46mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Lume
C3 X1-grade Swiss SuperLuminova
None

Movement

2 specs
Caliber
ETA 2895-2
Sellita SW300-1
Power Reserve
50h
0h

Pricing

1 specs
MSRP
$1,045
$1,599
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