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Professional Authentication Platform

Some specifications for this reference are on file; the record is incomplete.

Seiko · Vintage

Bell-Matic

Ref. 4006-7000

discontinuedAutomatic alarmPartially documentedLast reviewed Not yet reviewed

Missing informationCore fields not yet documented for this reference: Water resistance

Overview

Production
1967–1978
Era
Automatic alarm
Status
discontinued

Case

Case diameter
38mm
Case material
Stainless steel
Crystal
Hardlex
Crown
Crown at 4 for time and date; upper crown at 2 for the alarm setting ring
Caseback
Screw-down

Dial & Hands

Dial
Silver, blue, or black depending on execution

Movement

Movement
Automatic with mechanical alarm
Caliber
4006A
Manufacturer
Seiko (Suwa Seikosha)
Winding
automatic
Frequency
21,600 vph
Jewels
27
Complications
Day-date, mechanical alarm