Seiko Cal. 4425 - 722

The 4425-722 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4425 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-158b3ff5d144]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

Related Models

• Seiko 4577-939
• Seiko 7110-117
• Seiko 5616-430
• Seiko 3895-176
• Seiko 6260-850
• Seiko 5230-263
• Seiko 6286-609
• Seiko 6624-789
• Seiko 6192-153
• Seiko 5244-872
• Seiko 7093-967
• Seiko 4561-777