Seiko Cal. 6381 - 890

The 6381-890 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-bf4947ed7bed]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1970

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