Seiko Cal. 5648 - 433

The 5648-433 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5648 caliber with 33j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-5b093bd48ceb]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1999

Related Models

• Seiko 5227-664
• Seiko 6211-380
• Seiko 5241-539
• Seiko 6384-156
• Seiko 5272-283
• Seiko 6298-701
• Seiko 4496-686
• Seiko 6238-609
• Seiko 5231-150
• Seiko 5222-975
• Seiko 6221-647
• Seiko 6272-360