Seiko Cal. 5684 - 178

Released in 1978, the Cal. 5684 with design code 178 was part of Seiko's domestic market collection. Powered by the 5684 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-851ea3fb1ae5]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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