Seiko Cal. 7187 - 633

The 7187-633 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-3adffe167deb]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

Related Models

• Seiko 7011-419
• Seiko 5218-118
• Seiko 5276-293
• Seiko 6335-855
• Seiko 0742-230
• Seiko 6236-580
• Seiko 7011-546
• Seiko 0783-135
• Seiko 7171-109
• Seiko 3828-328
• Seiko 7144-889
• Seiko 3899-249