Seiko Cal. 6634 - 309

The Seiko 6634-309 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-78c66768ef8a]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

Related Models

• Seiko 6154-832
• Seiko 5658-377
• Seiko 5226-970
• Seiko 3877-903
• Seiko 6268-720
• Seiko 6234-704
• Seiko 6147-402
• Seiko 5623-102
• Seiko 6214-819
• Seiko 6119-598
• Seiko 5659-639
• Seiko 6236-610