Seiko Cal. 3828 - 644

The Seiko 3828-644 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-e88b9dc1e847]

Also known as: Panda, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1990

Related Models

• Seiko 5694-561
• Seiko 6341-665
• Seiko 4533-453
• Seiko 5689-578
• Seiko 6212-441
• Seiko 0775-320
• Seiko 6135-257
• Seiko 7075-823
• Seiko 0751-747
• Seiko 7159-477
• Seiko 5292-129
• Seiko 6328-349