Seiko Cal. 6656 - 703

The Seiko 6656-703 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-af8951d5eb89]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1965

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