Seiko Cal. 5669 - 661

The Seiko 5669-661 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-2d32fca3c461]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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