Seiko Cal. 6381 - 264

Seiko 6381-264

The 6381-264 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6381 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-3c3db59bbfe4]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
26j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1978

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