Seiko Cal. 5688 - 724

The 5688-724 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5688 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-e599aaccf2ba]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

Related Models

• Seiko 6392-191
• Seiko 7188-750
• Seiko 6669-306
• Seiko 5635-330
• Seiko 6162-255
• Seiko 5263-923
• Seiko 4569-457
• Seiko 5253-390
• Seiko 6682-391
• Seiko 6267-303
• Seiko 3838-118
• Seiko 5623-830