Seiko Cal. 6683 - 639

The Seiko 6683-639 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-768f84bbc5f3]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

Related Models

• Seiko 5654-181
• Seiko 3882-458
• Seiko 6649-121
• Seiko 5279-356
• Seiko 4564-153
• Seiko 5224-712
• Seiko 7075-423
• Seiko 4533-668
• Seiko 0788-211
• Seiko 6386-180
• Seiko 7088-163
• Seiko 5242-594