Seiko Cal. 6381 - 551

Seiko 6381-551

The 6381-551 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6381 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4a38e438345e]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Black
Jewels
34j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1970

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