Seiko Cal. 5640 - 745

This Solar model from 1972 features a 46mm PVD Black case. Powered by the 5640 caliber with 19j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-608753ef631d]

Also known as: Panda, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

Related Models

• Seiko 5692-340
• Seiko 4444-264
• Seiko 5617-557
• Seiko 6145-831
• Seiko 0746-164
• Seiko 6132-729
• Seiko 4431-145
• Seiko 0766-733
• Seiko 3848-103
• Seiko 7154-487
• Seiko 5691-761
• Seiko 4530-969