Seiko Cal. 6684 - 636

The Seiko 6684-636 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-b5b66720fc68]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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