Seiko Cal. 4439 - 230

The 4439-230 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 19j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-5192658ebedb]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1982

Related Models

• Seiko 6212-395
• Seiko 4592-391
• Seiko 3863-285
• Seiko 7013-404
• Seiko 7099-478
• Seiko 6274-452
• Seiko 5677-937
• Seiko 7049-679
• Seiko 7122-913
• Seiko 3813-567
• Seiko 4489-706
• Seiko 4559-272