Seiko Cal. 5688 - 399

The 5688-399 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5688 caliber with 20j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-84b0457a39b9]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1984

Related Models

• Seiko 3898-520
• Seiko 4411-500
• Seiko 5234-100
• Seiko 6284-399
• Seiko 4580-156
• Seiko 4483-263
• Seiko 6228-524
• Seiko 4570-491
• Seiko 5261-396
• Seiko 5671-794
• Seiko 4419-820
• Seiko 4595-758