Side by side

Nivada Grenchen Antarctic Diver AquamarvsCincinnati Watch Company P-40 A-11 Pilot Black Automatic

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

Antarctic Diver Aquamar
Nivada GrenchenAntarctic Diver Aquamar
MSRP $1,050
P-40 A-11 Pilot Black Automatic
Cincinnati Watch CompanyP-40 A-11 Pilot Black Automatic
MSRP $895

At a glance

17 of 29 specs differ
Diameter
Antarctic Diver Aquamar38mm
P-40 A-11 Pilot Black Automatic38mm
Power Reserve
Antarctic Diver Aquamar38h
P-40 A-11 Pilot Black Automatic65h
Water Resistance
Antarctic Diver Aquamar200m
P-40 A-11 Pilot Black Automatic100m
MSRP
Antarctic Diver Aquamar$1,050
P-40 A-11 Pilot Black Automatic$895

Full specifications

Case

8 specs
Category
Diver
Pilot
Thickness
12.9mm
10.8mm
Lug-to-Lug
46mm
46.5mm
Lug Width
16mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Screw Down w/ Sapphire Display

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
Indices
Applied
Lume
Super-LumiNova
X1 C3

Movement

5 specs
Caliber
Sellita SW200
Sellita SW200-2
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
65h
Jewels
25
26
Complications
GMT
None

Pricing

1 specs
MSRP
$1,050
$895

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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.

Nivada Grenchen Antarctic Diver Aquamar

The Nivada Grenchen Antarctic Diver Aquamar is widely praised for its innovative changeable lume feature, allowing users to switch between white and beige lume via a disc tied to the date mechanism. Owners appreciate its 38mm stainless steel case and sandwich dial, available in blue, black, or grey. One reviewer notes that legibility on the grey dial may be a concern, and the hands' lume color is fixed. The watch is powered by a Soprod P024 movement with a 38-hour power reserve, which some owners have reservations about, though it is considered good value at $1,050. On balance, owners and reviewers rate the Nivada Grenchen Antarctic Diver Aquamar highly for its unique lume complication and overall value proposition.

Cincinnati Watch Company P-40 A-11 Pilot Black Automatic

Owners widely praise the Cincinnati Watch Company P-40 A-11 Pilot Black Automatic for its sharp finishing, textured pearlescent dial, and excellent lume. The simple, understated design and comfortable 38mm size are also frequently highlighted. Some owners note the bracelet lacks quick micro-adjustments and the quick-release spring bars can dig into the wrist. One owner found the lume blocks potentially thinner and the font on larger numbers less desirable than a standard typeface, though the seconds hand was considered a success. Overall, owners highly recommend the Cincinnati Watch Company P-40 A-11 Pilot Black Automatic for its great craftsmanship and value.

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