Seiko Cal. 5628 - 907

This Spring Drive model from 1966 features a 46mm PVD Black case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fb0ddd6c1dca]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

Related Models

• Seiko 5250-382
• Seiko 6665-246
• Seiko 5627-909
• Seiko 4497-298
• Seiko 6693-179
• Seiko 4549-919
• Seiko 4416-537
• Seiko 4576-472
• Seiko 3815-338
• Seiko 7160-975
• Seiko 7176-466
• Seiko 5226-392