Seiko Cal. 5687 - 235

This Quartz model from 1976 features a 43mm PVD Black case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-7053235a0eef]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1976

Related Models

• Seiko 4520-364
• Seiko 3886-877
• Seiko 7056-329
• Seiko 4510-355
• Seiko 4458-278
• Seiko 6213-988
• Seiko 6344-437
• Seiko 4488-859
• Seiko 3895-390
• Seiko 5698-784
• Seiko 6110-151
• Seiko 5673-765