Seiko Cal. 6655 - 693

Released in 1970, the Cal. 6655 with design code 693 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-ad5e8b449b14]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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