Seiko Cal. 6644 - 432

The Seiko 6644-432 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-78b5c3bc9ded]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

Related Models

• Seiko 5683-507
• Seiko 7075-244
• Seiko 7037-717
• Seiko 6344-854
• Seiko 6168-820
• Seiko 6342-991
• Seiko 6621-493
• Seiko 4575-559
• Seiko 7093-829
• Seiko 7130-562
• Seiko 6383-542
• Seiko 7119-805