Seiko Cal. 6684 - 844

This Spring Drive model from 1984 features a 38mm Hardlex-Coated Steel case. Powered by the 6684 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-a93aedf6c52e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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