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The Encyclopedia of Horology

Wristwatch · Automatic wristwatch

Wyler Incaflex Dynawind Lifeguard Automatic Wristwatch

Partially verified

This Wyler Incaflex Dynawind Lifeguard is a stainless steel automatic wristwatch dated by the seller to the 1960s. The watch features a 32 mm round case measuring 37.5 mm lug to lug and 10.3 mm thick, with a 18 mm lug width. The black dial presents luminous Arabic numerals at 12, 3, 6, and 9, alongside baton hour indices and central hands. Marked 'Wyler Incaflex' below 12 o'clock and 'Dynawind' above 6 o'clock, the dial also bears 'T SWISS T' at its lower periphery. According to the source, the case back is inscribed 'WYLER Lifeguard Stainless Steel', and the watch is powered by an automatic Wyler movement.

Wyler Incaflex Dynawind Lifeguard wristwatch with black dial on brown leather strap
Wyler Incaflex Dynawind Lifeguard wristwatch with black dial on brown leather strap — Secondhand Horology. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.secondhandhorology.com
Category
Wristwatch · Automatic wristwatch
Maker / attribution
Wyler
Reference
4123-1152
Catalogue / lot identifier
WA-4342
Source-reported date
1960s
Country
Switzerland

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case Construction

The watch is housed in a 32 mm round stainless steel case. Measured dimensions include a 37.5 mm lug-to-lug length, a 10.3 mm thickness, and an 18 mm lug width.

The seller reports the case back is marked 'WYLER Lifeguard Stainless Steel'. Visible surface scratches are present on the bezel and lugs.

Evidence for this section
  • “Cased in a 32mm round case with classic lugs, all in stainless steel.”
  • “Case Back Markings: WYLER Lifeguard Stainless Steel”
  • “Case Lug to Lug 37.5”
  • “Case Thickness 10.3”
  • “Lug Width 18”

Dial and Hands

The timepiece features a black dial with luminous Arabic numerals at the 12, 3, 6, and 9 o'clock positions, accompanied by baton hour markers and matching hands.

The dial is signed 'Wyler Incaflex' below the 12 o'clock position and 'Dynawind' above the 6 o'clock position. The lower periphery is marked 'T SWISS T'.

Evidence for this section
  • “it still has the original black dial with luminous Arabic numerals, luminous hour markers, and matching hands.”
  • “The dial is signed “Wyler Incaflex” at the top and “Dynawind” at the bottom.”
  • “Marked 'T SWISS T' below the 6 o'clock numeral”

Mechanism and Dating

The watch is equipped with a self-winding automatic movement. Seller documentation attributes the production of the watch to the 1960s.

The movement is not visible in the provided imagery. The attribution to the 1960s is provided by the seller and lacks supporting serial or production record verification.

Evidence for this section
  • “It features a self-winding mechanism powered by an original Wyler automatic movement”
  • “It is a Wyler Incaflex Dynawind automatic wristwatch from the 1960s.”

Open research questions

  • Does the reference number 4123-1152 correlate to a specific Wyler movement caliber?
  • Can the 'Lifeguard' case model be dated through production records independent of seller attribution?
  • Are the 'T SWISS T' dial markings consistent with documented Wyler production standards from the period suggested?

Source evidence

Recorded claims and source quotations for Wyler Incaflex Dynawind Lifeguard Automatic Wristwatch
FieldSource-reported valueSource quotation
Case diameter32 mm“Cased in a 32mm round case”
Case materialStainless steel“all in stainless steel.”
Case back markingsWYLER Lifeguard Stainless Steel“Case Back Markings: WYLER Lifeguard Stainless Steel”
Movement typeAutomatic“It features a self-winding mechanism powered by an original Wyler automatic movement”
Lug width18 mm“Lug Width 18”
SKUWA-4342“SKU: WA-4342”
StrapBrown Hadley-Roma genuine leather“It comes with a brand-new brown Hadley-Roma genuine leather two-piece strap.”

Visible details

  • Black dial with luminescent Arabic numerals at 12, 3, 6, and 9 and baton hour markers
  • Marked 'T SWISS T' below the 6 o'clock numeral
  • Fitted with a brown leather strap with tan stitching
  • Surface scratches visible on the stainless steel bezel and lugs

Research qualifications

  • Movement and case back markings are described in the source listing but not visible in the provided image
  • 1960s date relies entirely on dealer assertion

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Vintage WYLER Incaflex Dynawind Watch Lifeguard Automatic Wristwatch S – SECOND HAND HOROLOGY

Reviewed 2026-10-21 · Record 959f5909c4

Terms in this record

Glossary explanations for terms named in this object’s record.

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