Seiko Cal. 6687 - 194

The Seiko 6687-194 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-3e1376207f93]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

Related Models

• Seiko 0746-300
• Seiko 3874-267
• Seiko 4536-804
• Seiko 5247-562
• Seiko 3860-636
• Seiko 0743-708
• Seiko 6175-849
• Seiko 5227-213
• Seiko 6336-339
• Seiko 5665-492
• Seiko 6152-259
• Seiko 6664-178