Seiko Cal. 5640 - 188

This Quartz model from 1991 features a 35mm Stainless Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-cff91df803d5]

Also known as: Shogun, Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1991

Related Models

• Seiko 4563-478
• Seiko 6334-255
• Seiko 6698-390
• Seiko 6321-234
• Seiko 7086-508
• Seiko 4441-487
• Seiko 6114-200
• Seiko 6267-797
• Seiko 3886-910
• Seiko 4479-159
• Seiko 6688-327
• Seiko 5260-950