JIW / HISTORICAL REFERENCE PROJECT / 日本の時計資料室RESEARCH DESK BULLETIN · NO. 001 ↗
MODEL REFERENCE / SEIKO / AUTOMATIC

Lord Matic

5606-7070

A compact, sharply dressed Lord Matic with a 23-jewel automatic caliber, day-date display and familiar late-sixties Seiko design language.

Research noteLate 1960s–1970s
Illustrative reconstruction of Seiko Lord Matic
HISTORICAL CONTEXT

About the reference

Across documented examples, the 5606-7070 combines a stainless-steel case with a silver-toned dial, applied markers and Seiko’s caliber 5606. Some examples have a one-piece case opened from the dial side; case-construction details must be checked on the actual specimen.

Why it belongs in the archive

A lesson in careful identification: caliber, dial code, case code and individual service history must all agree before the record becomes authoritative.

Service caveat: Vintage caliber 5606 calendar quick-set components are known to be vulnerable. Avoid forcing the setting mechanism, particularly during the automatic date-change interval. Inspect the exact movement before choosing a repair method.

For the next stage, an actual accession will need full dial photos, caseback inscription, caliber photograph and a dated research worksheet. We will not invent a movement serial, one-off restoration history, or an owner.

Identification notes

Details are based on observed third-party examples, not yet on a fully photographed Nurse Station specimen.

Proper identification compares the reference, movement stamp, dial code, caseback or case construction, observed hands and dial, and period catalogs. Replacement parts and past service can create contradictions without establishing fraud or a precise production date.

Sources & research quality

We distinguish direct manufacturer or museum evidence from collector observations, dealer descriptions and anecdotal reports. Claims not yet supported are left visibly open.

Found an error? Contact us through the Research Desk, including a clear photograph of the relevant marking and the source of your proposed correction.

Documented specimens

None published through the Nurse Station pipeline yet. This stage intentionally demonstrates the reference layout without impersonating a real accession.

See how a future individual accession page will work ↗