Seiko Cal. 6647 - 170

The Seiko 6647-170 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-aa7d90ccd119]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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