Seiko Cal. 6665 - 990

Released in 1978, the Cal. 6665 with design code 990 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-9f35fddf72e7]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 4466-142
• Seiko 4510-899
• Seiko 6197-632
• Seiko 6310-825
• Seiko 7145-920
• Seiko 0790-158
• Seiko 5675-584
• Seiko 6627-423
• Seiko 5669-747
• Seiko 6310-971
• Seiko 4570-103
• Seiko 6614-865