Seiko Cal. 6656 - 507

The Seiko 6656-507 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e8df638d9f5b]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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