Seiko Cal. 6331 - 862

The 6331-862 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-348bf6ce1e86]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1994

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