Seiko Cal. 4427 - 434

The Seiko 4427-434 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-107a138d5cb5]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 6232-671
• Seiko 5691-869
• Seiko 5688-910
• Seiko 6142-906
• Seiko 6630-340
• Seiko 5643-591
• Seiko 6292-937
• Seiko 7065-692
• Seiko 6133-540
• Seiko 4455-283
• Seiko 6362-475
• Seiko 6641-190