Seiko Cal. 6665 - 678

This Spring Drive model from 1984 features a 45mm PVD Black case. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-4f16e8308ca1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

Related Models

• Seiko 7037-635
• Seiko 6355-510
• Seiko 4491-207
• Seiko 5257-507
• Seiko 3885-236
• Seiko 6690-474
• Seiko 7039-232
• Seiko 7163-115
• Seiko 5213-394
• Seiko 4443-970
• Seiko 7060-929
• Seiko 6333-674