Seiko Cal. 5688 - 931

The 5688-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5688 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-5310c1910276]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1998

Related Models

• Seiko 5695-761
• Seiko 7178-670
• Seiko 3865-726
• Seiko 4465-966
• Seiko 4558-129
• Seiko 3896-358
• Seiko 7030-818
• Seiko 6657-683
• Seiko 6379-398
• Seiko 3884-725
• Seiko 5262-188
• Seiko 0723-898