Seiko Cal. 6670 - 640

The Seiko 6670-640 represents an important milestone in Seiko's 1988 lineup. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-abdd5f22e6f6]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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