Seiko Cal. 5668 - 819

The Seiko 5668-819 represents an important milestone in Seiko's 1970 lineup. Powered by the 5668 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-5bfef03972d1]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

Related Models

• Seiko 0720-955
• Seiko 6625-926
• Seiko 6262-364
• Seiko 0756-473
• Seiko 5649-910
• Seiko 5238-857
• Seiko 6170-345
• Seiko 7186-900
• Seiko 4477-606
• Seiko 6336-960
• Seiko 0744-816
• Seiko 4558-777