Seiko Cal. 5688 - 684

This Solar model from 1976 features a 44mm PVD Black case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-ee08ea39bda2]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

Related Models

• Seiko 5652-198
• Seiko 6222-217
• Seiko 4529-316
• Seiko 6246-476
• Seiko 5299-181
• Seiko 6397-808
• Seiko 7085-469
• Seiko 4593-312
• Seiko 6172-737
• Seiko 3895-331
• Seiko 6251-215
• Seiko 7155-769