Seiko Cal. 6684 - 218

The Seiko 6684-218 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c9300c3eb9a3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1987

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