Seiko Cal. 6687 - 198

This Hand-Winding model from 1986 features a 41mm Gold-Plated case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-317ae90041c0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

Related Models

• Seiko 3864-501
• Seiko 5693-811
• Seiko 3856-515
• Seiko 4548-224
• Seiko 5651-571
• Seiko 0783-390
• Seiko 6676-230
• Seiko 4591-148
• Seiko 4561-823
• Seiko 7056-873
• Seiko 7050-346
• Seiko 7070-345