Seiko Cal. 6686 - 254

This Spring Drive model from 1972 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-b9350184b5ab]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

Related Models

• Seiko 3880-128
• Seiko 4439-323
• Seiko 6230-673
• Seiko 6215-521
• Seiko 7187-508
• Seiko 7129-608
• Seiko 5618-436
• Seiko 7187-232
• Seiko 4424-806
• Seiko 6313-895
• Seiko 3842-892
• Seiko 6166-661