Seiko Cal. 6663 - 950

This Quartz model from 1970 features a 45mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-fcf513e4eaef]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1970

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