Seiko Cal. 3857 - 970

The 3857-970 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-ccc70dda8f12]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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