Seiko Cal. 5678 - 454

The Seiko 5678-454 represents an important milestone in Seiko's 1974 lineup. Powered by the 5678 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-c7064bfbe63b]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

Related Models

• Seiko 7158-990
• Seiko 3816-792
• Seiko 6158-337
• Seiko 7148-300
• Seiko 6336-556
• Seiko 6175-240
• Seiko 7193-573
• Seiko 4548-905
• Seiko 3833-775
• Seiko 4466-655
• Seiko 4594-859
• Seiko 5261-942