Seiko Cal. 5657 - 509

The Seiko 5657-509 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-408bd28e6125]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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