Seiko Cal. 4445 - 921

The 4445-921 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-148fe4f6cc8b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

Related Models

• Seiko 3842-302
• Seiko 6256-273
• Seiko 5687-756
• Seiko 5696-999
• Seiko 6687-244
• Seiko 4513-947
• Seiko 6177-254
• Seiko 5610-517
• Seiko 6292-561
• Seiko 7025-548
• Seiko 6357-152
• Seiko 3864-459