Seiko Cal. 5661 - 722

The Seiko 5661-722 represents an important milestone in Seiko's 1997 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-bc005696aa4b]

Also known as: Bellmatic, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1997

Related Models

• Seiko 3897-828
• Seiko 6287-250
• Seiko 4436-295
• Seiko 6658-467
• Seiko 3815-975
• Seiko 7167-591
• Seiko 6662-318
• Seiko 6149-542
• Seiko 6689-757
• Seiko 6213-957
• Seiko 6259-550
• Seiko 6355-896