Seiko Cal. 6644 - 955

The Seiko 6644-955 represents an important milestone in Seiko's 1986 lineup. Powered by the 6644 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-1c28cff57751]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

Related Models

• Seiko 3824-857
• Seiko 0749-251
• Seiko 4558-226
• Seiko 6665-565
• Seiko 7152-578
• Seiko 5235-202
• Seiko 7144-386
• Seiko 6384-727
• Seiko 7180-997
• Seiko 0743-938
• Seiko 3829-721
• Seiko 4476-401