Seiko Cal. 3877 - 728

Seiko 3877-728

The Seiko 3877-728 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-fa52a2a76323]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1983

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