Seiko Cal. 6684 - 579

This Spring Drive model from 1977 features a 37mm PVD Black case. Powered by the 6684 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-544d843c6d56]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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