Seiko Cal. 6684 - 937

The Seiko 6684-937 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-66e70a0203ef]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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