Seiko Cal. 5665 - 610

Released in 1976, the Cal. 5665 with design code 610 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9f2f8f23354a]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1976

Related Models

• Seiko 5283-411
• Seiko 3852-337
• Seiko 4558-637
• Seiko 6211-805
• Seiko 6276-666
• Seiko 5276-871
• Seiko 3897-961
• Seiko 6325-198
• Seiko 7088-317
• Seiko 6280-532
• Seiko 6132-152
• Seiko 7127-424