Seiko Cal. 4447 - 907

The 4447-907 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-703f024fa9e1]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

Related Models

• Seiko 6662-349
• Seiko 4518-218
• Seiko 5638-727
• Seiko 4573-840
• Seiko 0774-705
• Seiko 5240-174
• Seiko 7155-328
• Seiko 7065-139
• Seiko 4434-600
• Seiko 7151-426
• Seiko 5259-931
• Seiko 7139-734