Seiko Cal. 6635 - 711

Released in 1986, the Cal. 6635 with design code 711 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-bf53120074ea]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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