Seiko Cal. 5638 - 655

This Automatic model from 1984 features a 43mm Two-Tone case. Powered by the 5638 caliber with 19j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-afd09ae2ed6b]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1984

Related Models

• Seiko 6697-686
• Seiko 0753-984
• Seiko 5281-397
• Seiko 6314-565
• Seiko 4429-575
• Seiko 6375-365
• Seiko 0716-274
• Seiko 5689-574
• Seiko 6672-598
• Seiko 5642-561
• Seiko 5219-111
• Seiko 6378-369