BA111OD CHPTR_Δ [MDP] 40mmvsNivada Grenchen Antarctic Erotic Gold
![CHPTR_Δ [MDP] 40mm](/_next/image?url=%2Fimages%2Fwatches%2Fba111od--chptr_delta-mdp-40mm.png%3Fv%3D1790514488786&w=1536&q=60)

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
![BA111OD CHPTR_Δ [MDP] 40mm at true scale](/_next/image?url=%2Fimages%2Fwatches%2Fba111od--chptr_delta-mdp-40mm.png%3Fv%3D1790514488786&w=1536&q=60)
CHPTR_Δ [MDP] 40mm

Antarctic Erotic Gold
Diameter
40mm
38mm
Thickness
12.9mm
12.6mm
lowest
Water Resistance
50m
100m
highest
Power Reserve
42h
42h
MSRP
$4,100
$1,669
lowest
Movement
Soprod M100
Soprod P054
Case
5 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The BA111OD CHPTR_Δ [MDP] 40mm is widely praised for its exceptional value, offering a unique hypocycloidal time display typically seen on much more expensive timepieces. Owners and reviewers highlight the captivating dial design and the technical Swiss luxury at a price point under €3,000 or $2,620. The 40mm case size is noted as a welcome reduction, maintaining manageable dimensions with a 10.5mm thickness and 47mm lug-to-lug. The Soprod M100 automatic movement is present. Overall, owners and reviewers rate the BA111OD CHPTR_Δ [MDP] 40mm highly for its innovative time display and strong value proposition.
The Nivada Grenchen ANTARCTIC EROTIC GOLD is praised for its comfortable 38mm wearability and playful, unique animated case back depicting penguins, with some reviewers noting its value as a novelty timepiece. The watch is powered by a modified Soprod P054 manual-wind movement and offers 100m water resistance. Criticisms include the "erotic" dials being considered tacky and overpriced by some owners, with one owner also finding the lume to be a point of criticism. Overall, owners and reviewers find the Nivada Grenchen ANTARCTIC EROTIC GOLD to be a fun and versatile daily watch, particularly for its unique animated feature and comfortable size.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.










