Seiko Cal. 4425 - 550

The 4425-550 is a sought-after Solar piece from Seiko's golden era. Powered by the 4425 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-8283ca03e319]

Also known as: UFO, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1993

Related Models

• Seiko 6142-808
• Seiko 0721-360
• Seiko 4433-593
• Seiko 7014-289
• Seiko 6644-135
• Seiko 4452-975
• Seiko 6653-759
• Seiko 6213-546
• Seiko 4576-593
• Seiko 7151-891
• Seiko 4511-693
• Seiko 6183-999