Seiko Cal. 6639 - 125

The Seiko 6639-125 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-befc9ef2eb65]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1984

Related Models

• Seiko 4470-777
• Seiko 6135-621
• Seiko 4434-694
• Seiko 5221-776
• Seiko 3897-574
• Seiko 6281-362
• Seiko 4591-580
• Seiko 0743-254
• Seiko 0763-946
• Seiko 0718-198
• Seiko 3825-507
• Seiko 7185-454