Seiko Cal. 6640 - 967

The Seiko 6640-967 represents an important milestone in Seiko's 1995 lineup. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-46940e59f954]

Also known as: Tuna, Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1995

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