Seiko Cal. 6688 - 828

The 6688-828 is a sought-after Solar piece from Seiko's golden era. Powered by the 6688 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-efbc580d04ca]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 5279-942
• Seiko 7037-350
• Seiko 7130-506
• Seiko 0729-149
• Seiko 6285-490
• Seiko 6133-329
• Seiko 5626-515
• Seiko 5635-247
• Seiko 0732-615
• Seiko 7188-636
• Seiko 6672-277
• Seiko 6269-242