Seiko Cal. 6634 - 335

The Seiko 6634-335 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3614c5a7940b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

Related Models

• Seiko 4512-883
• Seiko 5691-635
• Seiko 7098-750
• Seiko 3889-880
• Seiko 4515-608
• Seiko 4421-876
• Seiko 5633-972
• Seiko 5683-489
• Seiko 6213-762
• Seiko 7022-164
• Seiko 4586-100
• Seiko 4559-884