Seiko Cal. 6644 - 598

The 6644-598 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-01f3b4d7dbbf]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1992

Related Models

• Seiko 5271-931
• Seiko 4596-592
• Seiko 5215-731
• Seiko 6653-283
• Seiko 6196-387
• Seiko 7054-884
• Seiko 7176-968
• Seiko 5629-562
• Seiko 6699-654
• Seiko 7130-998
• Seiko 4524-675
• Seiko 7157-690