Chronoscout

Automatic

40 mm

Undone x Birdwell

Sold out

$500

Sold out for months, with no restock pattern on record.

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What you'll get

Chronoscoutnow

Undone x Birdwell is available again

About this Watch

A Dive watch, in a round stainless steel case, 40mm, with a brown textured/grainy sunburst with printed character motif dial, sword hands and luminous indices, powered by the Seiko NH35A.

It is currently sold out and not available to buy. Its price sits close to the median for comparable watches in its segment, neither a premium nor a bargain within that group. The 224 comparable dive watches tracked in this size and price class range from USD 500 to USD 749.

Diameter

40mm

Lug to lug

47.6mm

Between lugs

20mm

Thickness

15.72mm

Weight

76g

Movement Type

Automatic

Movement Name

Seiko NH35A

Power reserve

41 hours

Water resistance

20 bar

Crystal Type

Mineral

Crystal Description

Double dome K1 mineral

Flag data error

Statistics

Among tracked dive watches in this class, its scarcity score of 85/100 places it in roughly the top 10%. The scarcity score here has moved up around 17 points across the past 153 days. Compared with Undone's typical scarcity, this reference runs about 50 points higher.

Track for the next window

Limited data

No reliable restock cadence is established for this reference yet.

June 2026

Scarcity score · today

Scarcity scoreModeledBased on Time unavailable. Reference evidence · 206 days · 1 availability changes · high confidence85/1003
Compared with 223 active peers · Dive · 40 - 42mm · $500–$750
Scarcity rank (in its segment)Top 10%
Last buyableDerivedCalculated from recorded observations.~154 days ago
Price vs segment17% below segment median

Demand, sellout velocity, and restock cadence unlock as Chronoscout gathers more market data on this reference.

Availability

One availability change recorded. Available once, for 52 days, on 4/14/26. Longest sold-out stretch: 154 days.

Sold out

5 months straight

6/5/26

April 2026

Today

Available
· for 53 days
4/14/26

Tracked since 4/14/26 (207 days).

Last confirmed: 11/6/26, 11:57 PM

Price

Currently priced at $500.00, with 4 price changes recorded over the tracked period. The lowest recorded price was $474.00 on 4/16/26; the highest was $525.65 on 9/1/26. That's up from the $500.00 it was first tracked at.

$500.00 USD

9/13/26

April 2026

Today