Seiko Cal. 4439 - 475

The 4439-475 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4439 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-d41f9dfc1763]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1989

Related Models

• Seiko 5618-356
• Seiko 6314-453
• Seiko 7080-255
• Seiko 6154-904
• Seiko 5616-270
• Seiko 6656-515
• Seiko 5680-687
• Seiko 6392-259
• Seiko 6683-251
• Seiko 7065-629
• Seiko 5663-218
• Seiko 3862-762