Seiko Cal. 4447 - 135

The 4447-135 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1824bb1337fc]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

Related Models

• Seiko 3839-965
• Seiko 6211-940
• Seiko 6631-436
• Seiko 3811-843
• Seiko 0727-536
• Seiko 6126-459
• Seiko 0720-746
• Seiko 6385-317
• Seiko 4457-727
• Seiko 7021-790
• Seiko 7187-752
• Seiko 4553-743