Seiko Cal. 5656 - 686

The Seiko 5656-686 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-960ebfbbd3ea]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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