Seiko Cal. 5642 - 407

Released in 1978, the Cal. 5642 with design code 407 was part of Seiko's domestic market collection. Powered by the 5642 caliber with 25j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-c898f81d2199]

Also known as: Sumo, Panda

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

Related Models

• Seiko 6119-514
• Seiko 4512-963
• Seiko 5643-730
• Seiko 5673-519
• Seiko 6669-665
• Seiko 6197-207
• Seiko 5698-389
• Seiko 4557-178
• Seiko 6649-498
• Seiko 7038-957
• Seiko 7041-502
• Seiko 4440-358