Seiko Cal. 3820 - 928

Seiko 3820-928

The Seiko 3820-928 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-d2ad1ccb6068]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1970

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