Seiko Cal. 7187 - 155

The 7187-155 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5cc459636ff8]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

Related Models

• Seiko 4575-759
• Seiko 6669-947
• Seiko 7176-980
• Seiko 6367-359
• Seiko 3874-362
• Seiko 6628-692
• Seiko 3826-521
• Seiko 7049-989
• Seiko 7084-169
• Seiko 0787-767
• Seiko 6154-530
• Seiko 6663-659