Seiko Cal. 4427 - 390

The 4427-390 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-e026f1bd08df]

Also known as: UFO, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

Related Models

• Seiko 4572-750
• Seiko 7165-255
• Seiko 6326-764
• Seiko 6653-678
• Seiko 4536-916
• Seiko 6234-493
• Seiko 6639-103
• Seiko 0755-652
• Seiko 5639-614
• Seiko 7058-760
• Seiko 6226-702
• Seiko 4480-916