Seiko Cal. 6634 - 422

The Seiko 6634-422 represents an important milestone in Seiko's 1986 lineup. Powered by the 6634 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-d09df1db8b25]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

Related Models

• Seiko 3888-710
• Seiko 0771-758
• Seiko 7185-109
• Seiko 6216-862
• Seiko 4432-434
• Seiko 6352-447
• Seiko 6141-428
• Seiko 6144-290
• Seiko 3883-829
• Seiko 5222-596
• Seiko 7168-591
• Seiko 6675-376