Seiko Cal. 5641 - 475

The 5641-475 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5641 caliber with 19j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-cc3d0b914160]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

Related Models

• Seiko 6289-874
• Seiko 7052-830
• Seiko 6633-789
• Seiko 5693-492
• Seiko 6256-463
• Seiko 4473-258
• Seiko 4519-469
• Seiko 5252-835
• Seiko 7069-334
• Seiko 7089-410
• Seiko 5666-949
• Seiko 4427-200