Seiko Cal. 3828 - 254

The Seiko 3828-254 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d3615c0f4566]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

Related Models

• Seiko 5680-324
• Seiko 6376-996
• Seiko 6633-673
• Seiko 7097-320
• Seiko 0725-639
• Seiko 6679-328
• Seiko 5286-937
• Seiko 6195-152
• Seiko 7090-287
• Seiko 7079-166
• Seiko 6290-838
• Seiko 5697-255