Seiko Cal. 6644 - 598

Released in 1994, the Cal. 6644 with design code 598 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7a83dd44cb7c]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1994

Related Models

• Seiko 6336-349
• Seiko 5253-536
• Seiko 6273-590
• Seiko 7196-125
• Seiko 7014-952
• Seiko 7184-733
• Seiko 4556-630
• Seiko 4593-674
• Seiko 4463-592
• Seiko 7010-985
• Seiko 3865-746
• Seiko 3835-916