Seiko Cal. 6643 - 973

Released in 1992, the Cal. 6643 with design code 973 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-cd6febc0508d]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1992

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