Seiko Cal. 4450 - 391

The 4450-391 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4450 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-7ebc6e04186c]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1987

Related Models

• Seiko 3834-940
• Seiko 5256-665
• Seiko 5267-931
• Seiko 4599-993
• Seiko 6354-670
• Seiko 7194-842
• Seiko 6184-529
• Seiko 7093-905
• Seiko 0736-676
• Seiko 4461-257
• Seiko 4535-879
• Seiko 3823-834