Seiko Cal. 5648 - 684

This Automatic model from 1967 features a 39mm PVD Black case. Powered by the 5648 caliber with 32j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-6b89fd7e93ec]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

Related Models

• Seiko 3884-464
• Seiko 4597-925
• Seiko 3834-449
• Seiko 6217-769
• Seiko 3813-677
• Seiko 6229-682
• Seiko 5642-868
• Seiko 0758-771
• Seiko 0710-227
• Seiko 6354-938
• Seiko 5616-100
• Seiko 4559-461