Seiko Cal. 6688 - 150

Released in 1969, the Cal. 6688 with design code 150 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-70f846b96ccb]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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