Seiko Cal. 4456 - 812

This Spring Drive model from 1985 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-28d3601563b5]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1985

Related Models

• Seiko 7069-447
• Seiko 5239-161
• Seiko 6374-563
• Seiko 5699-814
• Seiko 5669-490
• Seiko 5663-625
• Seiko 5613-900
• Seiko 5635-304
• Seiko 4537-976
• Seiko 6350-665
• Seiko 6148-190
• Seiko 4484-357