Seiko Cal. 5645 - 650

The 5645-650 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-44aac1bdc94c]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

Related Models

• Seiko 7146-142
• Seiko 4452-614
• Seiko 6368-125
• Seiko 6318-597
• Seiko 0799-834
• Seiko 0768-184
• Seiko 4411-520
• Seiko 4563-476
• Seiko 7085-386
• Seiko 5692-495
• Seiko 7164-113
• Seiko 6119-383