Seiko Cal. 6640 - 114

The Seiko 6640-114 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-fd77db645b82]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1990

Related Models

• Seiko 6322-109
• Seiko 6129-836
• Seiko 7043-139
• Seiko 6345-123
• Seiko 4559-567
• Seiko 7121-334
• Seiko 5623-876
• Seiko 6328-164
• Seiko 3822-234
• Seiko 0723-676
• Seiko 7130-712
• Seiko 4450-252