Seiko Cal. 5686 - 821

The Seiko 5686-821 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-b8160734268a]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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