Seiko Cal. 6664 - 894

The Seiko 6664-894 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-0ca89f947ac5]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1981

Related Models

• Seiko 6135-891
• Seiko 5652-759
• Seiko 7067-283
• Seiko 5643-372
• Seiko 6117-173
• Seiko 7122-979
• Seiko 6279-966
• Seiko 6321-916
• Seiko 0779-247
• Seiko 7149-889
• Seiko 5218-852
• Seiko 6143-502