Seiko Cal. 6381 - 164

The 6381-164 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6381 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-561611a32d04]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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