Seiko Cal. 6635 - 709

The Seiko 6635-709 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f61e11832437]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

Related Models

• Seiko 6124-740
• Seiko 7096-352
• Seiko 7022-931
• Seiko 4547-493
• Seiko 0784-701
• Seiko 4574-693
• Seiko 4594-225
• Seiko 5229-207
• Seiko 5236-105
• Seiko 0729-133
• Seiko 5610-719
• Seiko 6671-628