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Undone Aquadeep Signal Yellow

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About this Watch

A Dive watch, in a round stainless steel case, 43mm, with a black matte/grain dial, broad arrow hands and applied metal indices, powered by the TMI NH35A.

This reference is currently in stock and available for direct purchase from the brand. Its price sits close to the median for comparable watches in its segment, neither a premium nor a bargain within that group. The 140 comparable dive watches tracked in this size and price class range from $310 to $499. It was released in June 2024.

Diameter

43mm

Thickness

16.5mm

Movement Type

automatic

Movement Name

TMI NH35A

Water resistance

50 bar

Crystal Type

sapphire

Crystal Description

Double dome sapphire crystal

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Statistics

Its scarcity score of 0/100 puts it in roughly the bottom 10% of tracked dive watches in this class. The scarcity score here has moved down around 42 points across the past 353 days. It peaked near a score of 44 in January 2026. That tracks closely with what's typical for Undone's catalog.

Across Undone's tracked catalog, about 68% of models are in stock at any given time.

No rush
Brand pattern · 142 models
About 68% of this brand's tracked models are currently in stock.
Scarcity score
Modeled
Based on Time unavailable. Reference evidence · 365 days · 0 availability changes · medium confidence
0/100
Scarcity rank (in its segment)Upgrade
Price vs segmentUpgrade
Brand restocks every
Brand avg
~1 days
Brand in stock
Brand avg
~68%

Availability

Last confirmed: 9/16/26, 9:55 PM

Tracked since 9/15/25 (366 days).

Available2/19/26
7 months straight
March 2026
Today

10 older transitions back to 9/15/25 are available with Collector. Unlock full history

Price

Currently priced at $395.00, with 9 price changes recorded over the tracked period. The lowest recorded price was $296.25 on 11/28/25; the highest was $420.35 on 9/1/26. That's up from the $395.00 it was first tracked at.