Seiko Cal. 5678 - 364

The Seiko 5678-364 represents an important milestone in Seiko's 1987 lineup. Powered by the 5678 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-116a5c0a6d0c]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 3826-582
• Seiko 0741-958
• Seiko 6698-258
• Seiko 5636-176
• Seiko 6335-785
• Seiko 7163-440
• Seiko 4530-999
• Seiko 6229-693
• Seiko 7117-329
• Seiko 5232-752
• Seiko 4461-204
• Seiko 6155-384