Seiko Cal. 6640 - 113

The Seiko 6640-113 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-fbc5e27c476d]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1997

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