Seiko Cal. 3857 - 378

Seiko 3857-378

The 3857-378 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-1a8942965459]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1989

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seikata-wm-1a8942965459