Seiko Cal. 6384 - 140

Seiko 6384-140

The 6384-140 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6384 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-1a2fddab14c3]

Also known as: Samurai, Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1980

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