Seiko Cal. 4419 - 428

The 4419-428 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-abf3eff071c8]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

Related Models

• Seiko 5244-416
• Seiko 6123-207
• Seiko 6189-593
• Seiko 5623-344
• Seiko 5240-721
• Seiko 6645-387
• Seiko 7159-520
• Seiko 6676-153
• Seiko 3897-503
• Seiko 6615-538
• Seiko 5245-671
• Seiko 0775-383