Seiko Cal. 5680 - 328

Released in 1967, the Cal. 5680 with design code 328 was part of Seiko's domestic market collection. Powered by the 5680 caliber with 30j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-eb37dfc67e10]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

Related Models

• Seiko 0735-346
• Seiko 7121-309
• Seiko 5687-982
• Seiko 5660-241
• Seiko 6263-293
• Seiko 4570-888
• Seiko 6377-434
• Seiko 7158-117
• Seiko 6382-253
• Seiko 6350-224
• Seiko 6344-504
• Seiko 5673-523