Seiko Cal. 5643 - 520

Released in 1977, the Cal. 5643 with design code 520 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-728ecad364ee]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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