Seiko Cal. 3825 - 350

The 3825-350 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3825 caliber with 34j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-9f54736d485a]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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