Seiko Cal. 4491 - 193

Released in 1978, the Cal. 4491 with design code 193 was part of Seiko's domestic market collection. Powered by the 4491 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-5effd67dbfce]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

Related Models

• Seiko 4557-429
• Seiko 5218-524
• Seiko 6141-613
• Seiko 5215-330
• Seiko 5631-346
• Seiko 3837-281
• Seiko 6398-150
• Seiko 5253-618
• Seiko 7018-648
• Seiko 6365-459
• Seiko 7182-123
• Seiko 4420-234