Chronoscout

Undone Rikishi Aka

Sold out

This watch has been sold out for months with no restock pattern on record. Track it in case it ever comes back.

About this Watch

A Dive watch, in a round stainless steel case, 40mm, with a red guilloché wave texture (seigaiha-style) dial, broad arrow hands and applied metal 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 218 comparable dive watches tracked in this size and price class range from USD 500 to USD 749.

Diameter

40mm

Lug to lug

48mm

Between lugs

20mm

Thickness

15.8mm

Weight

84g

Movement Type

mechanical

Movement Name

Seiko NH35A

Power reserve

41 hours

Water resistance

10 bar

Crystal Type

acrylic

Crystal Description

Double dome Lexan polycarbonate

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Statistics

Currently sold out, with no clear restock pattern yet. Scarcity score: 79/100. Among tracked dive watches in this class, that score lands it in roughly the top 10%. The scarcity score here has moved up around 58 points across the past 159 days. Compared with Undone's typical scarcity, this reference runs about 79 points higher.

Track for the next window
Limited data
No reliable restock cadence is established for this reference yet.
79
April 2026
Scarcity score · today
Scarcity score
Modeled
Based on Time unavailable. Reference evidence · 234 days · 1 availability changes · high confidence
79/1005
Compared with 217 active peers · Dive · 40 - 42mm · $500–$750
Scarcity rank (in its segment)Upgrade
Last buyable
Derived
Calculated from recorded observations.
~108 days ago
Price vs segmentUpgrade

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

Availability

Last confirmed: 9/21/26, 10:24 AM

1 availability changes recorded. Available once, for 127 days, on 1/29/26. Longest sold-out stretch: 107 days.

Tracked since 1/29/26 (235 days).

Sold out6/5/26
4 months straight
March 2026
Today

9 older transitions back to 1/29/26 are available with Collector. Unlock full history

Price

Currently priced at $595.00, with 4 price changes recorded over the tracked period. The lowest recorded price was $510.00 on 4/16/26; the highest was $630.52 on 9/1/26. That's up from the $595.00 it was first tracked at.