Seiko Cal. 6644 - 802

The Seiko 6644-802 represents an important milestone in Seiko's 1968 lineup. Powered by the 6644 caliber with 32j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c13935bdd7ba]

Also known as: Turtle, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

Related Models

• Seiko 6229-853
• Seiko 6145-646
• Seiko 7038-246
• Seiko 7014-453
• Seiko 6637-168
• Seiko 7149-648
• Seiko 6217-648
• Seiko 3899-827
• Seiko 6216-450
• Seiko 4564-501
• Seiko 6236-237
• Seiko 7143-737