Seiko Cal. 5685 - 516

This Spring Drive model from 1965 features a 40mm Gold-Plated case. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-9311f5e291a5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1965

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