Seiko Cal. 5645 - 788

The 5645-788 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5645 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-c59b27c80a20]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

Related Models

• Seiko 6339-475
• Seiko 6321-319
• Seiko 7030-356
• Seiko 6382-764
• Seiko 4473-803
• Seiko 5648-112
• Seiko 6121-135
• Seiko 4551-703
• Seiko 6348-595
• Seiko 4536-266
• Seiko 7055-438
• Seiko 6340-530