Seiko Cal. 5688 - 683

This Solar model from 1973 features a 39mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-f7bdba07cdea]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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