Seiko Cal. 3812 - 733

The 3812-733 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-0ddee38ca5b3]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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