Seiko Cal. 6635 - 500

The Seiko 6635-500 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-132142e2a75d]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

Related Models

• Seiko 4578-264
• Seiko 6123-673
• Seiko 4567-745
• Seiko 4534-473
• Seiko 7190-702
• Seiko 7078-170
• Seiko 7077-175
• Seiko 7064-804
• Seiko 6189-811
• Seiko 7196-191
• Seiko 5610-104
• Seiko 7191-893