Seiko Cal. 3880 - 631

The 3880-631 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1c4f343a3e7e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 7114-809
• Seiko 7135-488
• Seiko 6228-900
• Seiko 6255-177
• Seiko 5243-987
• Seiko 7055-521
• Seiko 4450-370
• Seiko 6125-827
• Seiko 5670-485
• Seiko 6148-639
• Seiko 7036-651
• Seiko 0753-260