Seiko Cal. 6665 - 204

Released in 1976, the Cal. 6665 with design code 204 was part of Seiko's domestic market collection. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-de1fcd01ae09]

Also known as: Bellmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

Related Models

• Seiko 4424-697
• Seiko 4497-561
• Seiko 6356-531
• Seiko 4566-612
• Seiko 6135-466
• Seiko 7026-660
• Seiko 6221-405
• Seiko 6152-132
• Seiko 7128-635
• Seiko 4544-687
• Seiko 6168-340
• Seiko 7093-194