Seiko Cal. 6647 - 811

The Seiko 6647-811 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-42b95cf57e35]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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