Seiko Cal. 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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