Seiko Cal. 6684 - 997

The Seiko 6684-997 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-e1d8a2922923]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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