Seiko Cal. 6643 - 441

Released in 1995, the Cal. 6643 with design code 441 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-aac777a16abc]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1995

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