Seiko Cal. 6683 - 537

The Seiko 6683-537 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-55a261a7c17b]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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