Seiko Cal. 5677 - 685

Released in 1971, the Cal. 5677 with design code 685 was part of Seiko's domestic market collection. Powered by the 5677 caliber with 32j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-396cdc98bf6f]

Also known as: Tuna, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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