Seiko Cal. 4427 - 500

The 4427-500 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-b72631edaad9]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

Related Models

• Seiko 4463-707
• Seiko 7031-606
• Seiko 5669-922
• Seiko 6118-628
• Seiko 6697-425
• Seiko 4485-540
• Seiko 6322-580
• Seiko 0795-953
• Seiko 6397-818
• Seiko 3862-862
• Seiko 0770-231
• Seiko 4544-322