Seiko Cal. 6642 - 590

This Spring Drive model from 1985 features a 38mm PVD Black case. Powered by the 6642 caliber with 26j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-c61cf743482c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

Related Models

• Seiko 7186-715
• Seiko 0767-539
• Seiko 7050-354
• Seiko 6143-576
• Seiko 6319-720
• Seiko 7197-917
• Seiko 6636-475
• Seiko 0763-466
• Seiko 6265-737
• Seiko 6696-856
• Seiko 4546-281
• Seiko 6664-943