lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/IWC Schaffhausen/Iw345901 Ingenieur Tourbillon
SpecStudio
IWC Schaffhausen Iw345901 Ingenieur Tourbillon
Click to inspect
IWC Schaffhausen · Ingenieur

IWC Schaffhausen Iw345901 Ingenieur Tourbillon

Ref. IW345901 · Sport

$44,000Stock unknown

Case

Diameter
41.6mm
Thickness
12.1mm
Material
18 Ct 5N Gold
Finish
18 ct 5N gold
Water resistance
100m

Crystal & dial

Dial colour
Green

Movement

Caliber
IWC Caliber 82xxx
Type
Automatic
Beat rate
28,800 vph
Power reserve
80h
Jewels
25
Hacking
Yes
Hand-winding
Yes
Complications
Tourbillon

Design language

Case shape
round
Dial style
textured
Bezel
fixed
Bracelet
lug-attached
Hands
baton

AI-detected from the product image

Ingenieur collection · 7 watches

Ingenieur
Ingenieur35.1mm
Ingenieur
Ingenieur35.1mm
Ingenieur
Ingenieur40mm
Ingenieur
Ingenieur40mm
Iw338902 Ingenieur Automatic
Iw338902 Ingenieur Automatic42mm
Iw344904 Ingenieur Perpetual Calendar
Iw344904 Ingenieur Perpetual Calendar41.6mm
Alternatives

01The market

Market prices.

Retail$44,000

No forum listings recorded for this watch yet.

02The connection engine

More like this.

IWC Schaffhausen Iw338902 Ingenieur Automatic

IWC Schaffhausen

Iw338902 Ingenieur Automatic

42mm · Automatic$23,800

IWC Schaffhausen Iw344904 Ingenieur Perpetual Calendar

IWC Schaffhausen

Iw344904 Ingenieur Perpetual Calendar

41.6mm · Automatic$44,000

IWC Schaffhausen Iw328901 Ingenieur Automatic

IWC Schaffhausen

Iw328901 Ingenieur Automatic

40mm · Automatic$55,600

H. Moser & Cie. Streamliner Tourbillon Wyoming Jade

H. Moser & Cie.

Streamliner Tourbillon Wyoming Jade

40mm · Automatic$134,571

Audemars Piguet Royal Oak Selfwinding Flying Tourbillon "50ᵀᴴ Anniversary" 41mm

Audemars Piguet

Royal Oak Selfwinding Flying Tourbillon "50ᵀᴴ Anniversary" 41mm

41mm · Automatic

Audemars Piguet Royal Oak Selfwinding Chronograph "50ᵀᴴ Anniversary" 41mm

Audemars Piguet

Royal Oak Selfwinding Chronograph "50ᵀᴴ Anniversary" 41mm

41mm · Automatic

View all alternatives

03The community take

Owners talk.

“

Owners widely praise the IWC Schaffhausen Iw345901 Ingenieur Tourbillon's design and dial finishing, with specific mentions of an amazing aqua or olive green dial and next-level case and bracelet finishing. Some owners find the watch overpriced, suggesting a value significantly lower than its MSRP, and note a basic caliber and lack of micro-adjustments. Accuracy reports vary, with one owner seeing 12 seconds slow per day while another notes it evened out to within 3 seconds over weeks, and a third reports +1 second per week. Overall, owners and reviewers rate the IWC Schaffhausen Iw345901 Ingenieur Tourbillon highly for its gorgeous design and dial, despite significant concerns about its price point.

Synthesized from 10 sources
Reddit·7↗
Monochrome↗
WatchProSite↗
Fratello↗
Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

Ask the communityStart a discussion about the Iw345901 Ingenieur Tourbillon: get takes from other collectors.Ask →

05The discussion

Talk about the IWC Schaffhausen Iw345901 Ingenieur Tourbillon.