Seiko Cal. 6687 - 758

This Quartz model from 1973 features a 38mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-b48daa1a6add]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1973

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