Seiko Cal. 6646 - 665

The Seiko 6646-665 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-a338e10dd84b]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1965

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