Seiko Cal. 6665 - 670

This Hand-Winding model from 1987 features a 44mm PVD Black case. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-f724b7d7311f]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

Related Models

• Seiko 6132-934
• Seiko 4429-566
• Seiko 6334-795
• Seiko 6376-213
• Seiko 6367-991
• Seiko 5230-108
• Seiko 6158-143
• Seiko 6315-137
• Seiko 4547-950
• Seiko 5653-961
• Seiko 6197-862
• Seiko 6671-217