Seiko Cal. 5644 - 322

The Seiko 5644-322 represents an important milestone in Seiko's 1969 lineup. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-702829c8308f]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1969

Related Models

• Seiko 6696-880
• Seiko 6165-970
• Seiko 3895-855
• Seiko 7035-868
• Seiko 4450-923
• Seiko 3898-366
• Seiko 6211-118
• Seiko 4583-833
• Seiko 6390-309
• Seiko 5282-280
• Seiko 6252-116
• Seiko 7110-408