Seiko Cal. 5688 - 581

The Seiko 5688-581 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6430d1a622f6]

Also known as: Monster, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1969

Related Models

• Seiko 4411-328
• Seiko 7162-221
• Seiko 6398-355
• Seiko 3833-150
• Seiko 4520-217
• Seiko 4482-275
• Seiko 4419-952
• Seiko 5636-957
• Seiko 6286-351
• Seiko 6679-342
• Seiko 4564-227
• Seiko 6624-399