Seiko Cal. 6381 - 830

The 6381-830 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6381 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-a3f61a7480d0]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1994

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