Seiko Cal. 3812 - 830

The 3812-830 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-35fb03db95bd]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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