Horology · Short Form

The Movement
Matters More
Than the Name.

Calibre dissects movements, exposes frankenwatches, and ranks dials with obsessive precision — delivered in short-form video for collectors who know better.

Weekly Reference

Market movers and undervalued references — every Sunday.

Macro close-up of Swiss watch movement showing intricate gear train, jewels, and balance wheel under magnification

"Every complication
is a conversation."

— Calibre, Episode 47

Industry Report · Feb 2026

Steel Sports
Flip Margins

Data Source

Chrono24 · WatchRecon · eBay
Sold listings, 90-day rolling avg.

Reference
Brand
Avg Buy
Flip Margin
Signal

126710BLRO

Rolex

$18,400

+34%

Pepsi demand holding strong

326934

Tudor

$4,200

+18%

Black Bay rising in secondary

SBGA211

Grand Seiko

$5,800

+11%

Spring Drive premium widening

311.30.42.30.01.005

Omega

$6,100

+6%

Moonwatch stable post-hype

IW327001

IWC

$3,900

-4%

Pilot softening in US market

Rising Micro-Brand Index · Calibre Ranked
#1CH
↑↑

Moser & Cie

In-house HMC

$8K–$25KLegitimate
#2JP
↑↑

Kurono Tokyo

Miyota 9039

$600–$900Undervalued
#3FR

Baltic

ETA 2824

$400–$700Watch closely
#4CH

Furlan Marri

Sellita SW200

$600–$1,200Credible
#5FR

Serica

NH35

$350–$600Solid entry
Hot Take · 30 Seconds

"Tudor Black Bay 58 is the best value in mechanical watches under $4K."

MT5402 movement, 70-hour power reserve, COSC-adjacent accuracy, and a dial that holds its own against references costing four times as much. The math doesn't lie.

48.2K likes312K views1.4K comments
Watch movement macro close-up showing balance wheel oscillation for Tudor Black Bay 58 review

@calibre.watch

Tudor BB58 vs the market. Movement breakdown. Real numbers. 🕐

48.2K
1.4K
Sentiment Tracker · 7 Months

Tudor vs Grand Seiko
The Conversation.

Aggregated mention volume across Reddit (r/Watches, r/WatchHorology), WatchUSeek forums, and TikTok comment threads. Grand Seiko momentum is real.

Tudor

50K mentions · Feb 2026

+19%

Grand Seiko

58K mentions · Feb 2026

+107%

Calibre Take

"Grand Seiko crossed Tudor in January. The Spring Drive is doing what the Snowflake couldn't — convert skeptics."

Monthly Mention Volume (thousands) · Aug 2025 – Feb 2026

r/Watches · WatchUSeek · TikTok

84K+

Data Points

Mentions analyzed

6

Sources

Forums & platforms

Weekly

Update Freq.

Every Sunday

Weekly Reference · Every Sunday

The digest for
collectors who
read the market.

Every Sunday: three undervalued references with data rationale, one movement breakdown, and the week's most consequential secondary market movement. No hype. No affiliate links.

3 Reference Picks

With buy/hold/watch signals

Movement of the Week

Technical breakdown, 200 words

Market Signal

One data point that matters

Subscriber 1 avatarSubscriber 2 avatarSubscriber 3 avatarSubscriber 4 avatar
4,200+ collectors subscribed

Last Week's Picks · Feb 23, 2026

Preview
SBGR251

Grand Seiko

Undervalued vs SBGA

+12% YoY
79230B

Tudor

BB GMT pre-hype entry

+8% YoY
IW325519

IWC

Portofino soft window

-3% YoY

Get the Weekly Reference

Free. Unsubscribe anytime. No affiliate noise.

Joining 4,200+ collectors. No spam. Unsubscribe in one click.