Seiko Cal. 5648 - 406

Released in 1999, the Cal. 5648 with design code 406 was part of Seiko's domestic market collection. Powered by the 5648 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3d3eb9ec6833]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

Related Models

• Seiko 6360-888
• Seiko 5270-170
• Seiko 5241-883
• Seiko 6269-535
• Seiko 6681-431
• Seiko 4437-882
• Seiko 7149-753
• Seiko 5211-820
• Seiko 6623-334
• Seiko 6685-593
• Seiko 6228-914
• Seiko 4492-443