Seiko Cal. 6676 - 840

This Spring Drive model from 1992 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-5a76ee9ab372]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1992

Related Models

• Seiko 6185-623
• Seiko 6186-264
• Seiko 3829-973
• Seiko 6142-736
• Seiko 5620-244
• Seiko 5675-519
• Seiko 5686-129
• Seiko 6256-525
• Seiko 7015-864
• Seiko 3892-280
• Seiko 0718-397
• Seiko 0772-672