Seiko Cal. 7187 - 540

This Solar model from 1985 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-1659988d190e]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

Related Models

• Seiko 4540-537
• Seiko 0734-693
• Seiko 0772-805
• Seiko 4447-388
• Seiko 7073-272
• Seiko 6234-138
• Seiko 7061-183
• Seiko 4487-989
• Seiko 5240-850
• Seiko 6210-635
• Seiko 7123-624
• Seiko 5296-617