Seiko Bell-Matic Alarm Day Date Steel Case Black Leather 4006-7000 C.1969

The Seiko Bell-Matic is an automatic, 17 jewel, bi-directional winding movement (Magic Lever) with day-date and a unique 10-second mechanical alarm, beating at 19,800 bph, offering a 42-hour power reserve, featuring Diashock, and known for its robust build despite varying jewel counts (due to US tariffs) for different markets. It's larger than standard movements and uses a second mainspring for the alarm, with a quickset for date and manual day flip.

Specifications

Brand: Seiko

Model: Bell-Matic

Reference Number: 4006-7000

Serial Number: 98xxxx

Production Year: 1969

Case

Case Reference: 4006-7000

Case Shape: Oval cushion

Material: Stainless steel

Diameter: 38mm x 42mm

Thickness: 13mm

Bezel: Fixed smooth steel

Back: Screwdown

Crown: Push/pull

Lug Width: 18mm

Movement:

Type: Mechanical selfwinding

Caliber: 4006

Base Caliber:

Functions: Day, date, alarm

Power Reserve: ~42 hours

Certification:

Jewels: 17

Frequency: 19,800 bph

Dial:

Color: Black/grey

Features: Day, date, alarm

Hour Markers: Silver applied luminous stick indices

Hands: Luminous baton

Crystal:

Type: Plexiglass

Water Resistance:

30 meters (Original rating but not recommended due to its age)

Strap/Bracelet:

Type: Black leather

Clasp: Tang buckle

Condition:

Good pre-owned condition, shows signs of wear. All features are functional

Accessories:

Gift box

Warranty:

Comes with our One Year Limited Warranty