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The Encyclopedia of Horology

Wristwatch · Diver's watch

Zodiac Sea Wolf Automatic Watch 722-946

Partially verified

This Zodiac Sea Wolf reference 722-946 is a Swiss-made stainless steel automatic dive watch attributed to the 1960s, featuring a round case measuring 35.5 mm in diameter. It is equipped with a bi-directional rotating Bakelite bezel and a snap case back marked for 20 ATM water resistance. The black dial presents triangular luminous indexes containing Arabic numerals at 12, 6, and 9, a framed date window at 3 o'clock, and baton hour markers. According to the seller, it is powered by a 17-jewel Zodiac caliber 70-72 automatic movement with central sweep seconds and manual winding, fitted to a multi-link stainless steel bracelet.

Three-quarter view of the Zodiac Sea Wolf reference 722-946 dive watch
Three-quarter view of the Zodiac Sea Wolf reference 722-946 dive watch — SECOND HAND HOROLOGY. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
secondhandhorology.com
Category
Wristwatch · Diver's watch
Maker / attribution
Zodiac
Reference
722-946
Catalogue / lot identifier
WA-5904
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 and External Construction

The watch features a 35.5 mm round stainless steel case with a snap-on case back. The external configuration includes a bi-directional rotating Bakelite bezel.

The case is fitted with a signed crown. Dimensions are listed as 35.5 mm for the case size, 39 mm diameter including the crown, 43 mm lug-to-lug, and 11.5 mm thickness.

Evidence for this section
  • “35.5 mm stainless steel case with snap back and signed crown”
  • “Bezel: Bakelite Bi-directional rotating”
  • “Case Size: 35.5”
  • “Case Diameter w/Crown: 39”
  • “Case Lug to Lug: 43”
  • “Case Thickness: 11.5”

Dial and Display Elements

The watch features a black dial with baton markers, Arabic numerals at 12, 6, and 9, and a framed date window at 3 o'clock. The dial also includes a minute/second track and luminous hands.

Branding is printed on the dial, with 'Zodiac Sea Wolf' beneath 12 o'clock and 'Automatic' text above 6 o'clock.

Evidence for this section
  • “matte black dial with baton markers, Arabic numerals at 12, 6, and 9, and a framed date window at 3 o’clock”
  • “Dial signed 'Zodiac Sea Wolf' beneath 12 o'clock and 'Automatic' above 6 o'clock”

Movement Specifications

The seller describes the movement as a 17-jewel Zodiac caliber 70-72 automatic, capable of manual winding. Other stated specifications include a frequency of 21,600 vibrations per hour and a 40-hour power reserve.

These details are provided by the seller and were not independently verified by internal inspection of the timepiece.

Evidence for this section
  • “Caliber: Zodiac 70-72”
  • “offering 17 jewels”
  • “runs at a frequency of 21,600 vibrations per hour and delivers a power reserve of approximately 40 hours”

Open research questions

  • What specific production date range corresponds to the 722-946 reference?
  • Does the lack of movement photography preclude confirmation of the caliber?
  • How does a snap-back case construction historically compare to screw-down equivalents for 20 ATM water resistance ratings?

Source evidence

Recorded claims and source quotations for Zodiac Sea Wolf Automatic Watch 722-946
FieldSource-reported valueSource quotation
Reference722-946“reference 722-946, dated from the 1960s”
CaliberZodiac 70-72“Caliber: Zodiac 70-72”
Jewels17“offering 17 jewels”
Case Size35.5 mm“Case Size: 35.5”
BezelBakelite Bi-directional rotating“Bezel: Bakelite Bi-directional rotating”
Country of ManufactureSwitzerland“Country of Manufacture: Switzerland - Swiss Made”
Case Back MarkingsZodiac Sea Wolf - Water-Tested - 20 ATM Especially“Case Back Markings: Zodiac Sea Wolf - Water-Tested - 20 ATM Especially”
BraceletOriginal Zodiac stainless steel bracelet, fits up to 7 inch (17.8cm) wrist“Original Zodiac stainless steel bracelet, fits wrist up to 7" (17.8cm)”

Visible details

  • Round stainless steel case mounted on a multi-link steel bracelet
  • Light-toned bezel with black linear minute and interval markings and '30' numeral
  • Glossy black dial with triangular markers at 12, 6, and 9 enclosing Arabic numerals
  • Framed date window at 3 o'clock displaying numeral 9
  • Wide luminous dauphine-style hands with a central sweep seconds hand
  • Dial signed 'Zodiac Sea Wolf' beneath 12 o'clock and 'Automatic' above 6 o'clock

Research qualifications

  • Internal movement caliber 70-72 and case back markings are reported by the source but not visible in the provided image.
  • Vintage water resistance ratings are historical specifications and unverified for current use.

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

Consulted source

Zodiac Sea Wolf 722-946 1960s Vintage Dive Watch – Swiss Made – SECOND HAND HOROLOGY

Reviewed 2026-10-25 · Record 1ba067dd57

Terms in this record

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

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