Seiko Cal. 5685 - 717

This Spring Drive model from 1981 features a 37mm Titanium case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-c788d2b4a0f2]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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