Seiko Cal. 5688 - 988

The 5688-988 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5688 caliber with 34j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-b06090310dc2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

Related Models

• Seiko 4590-816
• Seiko 7062-170
• Seiko 6291-866
• Seiko 4555-960
• Seiko 6111-554
• Seiko 0742-613
• Seiko 4445-393
• Seiko 5242-993
• Seiko 5266-373
• Seiko 7026-414
• Seiko 0723-509
• Seiko 6659-980