Seiko Cal. 6684 - 364

The Seiko 6684-364 represents an important milestone in Seiko's 1968 lineup. Powered by the 6684 caliber with 33j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-d2c38df0dbda]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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