Seiko Cal. 5657 - 580

Released in 1996, the Cal. 5657 with design code 580 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1b0dc0aba324]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1996

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