Seiko Cal. 3884 - 727

The 3884-727 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-6ec368ac0c92]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

Related Models

• Seiko 6317-409
• Seiko 6371-226
• Seiko 6395-788
• Seiko 5262-955
• Seiko 6356-438
• Seiko 7165-828
• Seiko 4466-887
• Seiko 6363-953
• Seiko 6110-675
• Seiko 6386-220
• Seiko 5246-126
• Seiko 6132-182