Seiko Cal. 6634 - 390

The 6634-390 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-bed3710becae]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1995

Related Models

• Seiko 0757-178
• Seiko 0728-154
• Seiko 6123-361
• Seiko 3814-805
• Seiko 5220-925
• Seiko 5266-635
• Seiko 6644-704
• Seiko 7111-810
• Seiko 6138-331
• Seiko 6633-890
• Seiko 4454-667
• Seiko 6165-857