Seiko Cal. 6644 - 511

The Seiko 6644-511 represents an important milestone in Seiko's 1998 lineup. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-c18e72a53e11]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

Related Models

• Seiko 6130-516
• Seiko 6316-990
• Seiko 6133-428
• Seiko 6379-243
• Seiko 7028-813
• Seiko 6138-444
• Seiko 6624-827
• Seiko 3847-729
• Seiko 4449-560
• Seiko 3872-188
• Seiko 3816-724
• Seiko 6152-313