Some specifications for this reference are on file; the record is incomplete.
Seiko · Vintage
Chronograph 6138
Ref. 6138-0030 — “Bullhead”
discontinuedTop-pusher 'Bullhead' casePartially documentedLast reviewed Not yet reviewed
Missing informationCore fields not yet documented for this reference: Case diameter, Water resistance
Reference photography not yet on file
The most sought-after case design in the 6138 family, produced in two principal colourways: a reddish-brown dial and bezel with gold-toned subdials, and a black dial and bezel with blue-toned subdials.
Some specifications for this reference require verification against manufacturer documentation.
At a glance
- Brand
- Seiko
- Collection
- Vintage
- Reference
- 6138-0030
- Production
- 1971–1978
- Caliber
- 6138B
- Case material
- Stainless steel
Related references
Reference family timeline
Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.
- 1970–1979
- 1971–1978This reference
- 1972–1978
- 1976–1979