Seiko Cal. 5643 - 658

Released in 1985, the Cal. 5643 with design code 658 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-6bde5fd16c2e]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

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