Seiko Cal. 7120 - 420

The Seiko 7120-420 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0ebc4dbe7cda]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

Related Models

• Seiko 3841-403
• Seiko 4574-548
• Seiko 7031-283
• Seiko 7141-921
• Seiko 6381-664
• Seiko 4483-315
• Seiko 5627-685
• Seiko 7067-409
• Seiko 3850-758
• Seiko 6117-755
• Seiko 7148-543
• Seiko 7024-913