Seiko Cal. 6684 - 536

The 6684-536 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6684 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-1044317819fc]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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