Seiko Cal. 6639 - 782

This Hand-Winding model from 1969 features a 34mm Stainless Steel case. Powered by the 6639 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-73d05e17e7c3]

Also known as: Navigator, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

Related Models

• Seiko 4447-736
• Seiko 0711-343
• Seiko 7071-408
• Seiko 5297-468
• Seiko 6283-498
• Seiko 6279-522
• Seiko 3891-870
• Seiko 6178-466
• Seiko 7041-713
• Seiko 7154-797
• Seiko 7160-759
• Seiko 4599-609