Seiko Cal. 6381 - 164

Seiko 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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seikata-wm-561611a32d04