Seiko Cal. 5643 - 814

Released in 1978, the Cal. 5643 with design code 814 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-40cab08081df]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 0768-779
• Seiko 5667-345
• Seiko 0742-914
• Seiko 6160-643
• Seiko 7120-778
• Seiko 7085-710
• Seiko 6617-710
• Seiko 6119-231
• Seiko 6252-939
• Seiko 6261-291
• Seiko 4498-319
• Seiko 6377-158