Seiko Cal. 6639 - 216

The 6639-216 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6639 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b8edabe00a45]

Also known as: Panda, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

Related Models

• Seiko 5241-169
• Seiko 7016-541
• Seiko 5275-764
• Seiko 7078-150
• Seiko 7063-732
• Seiko 6692-604
• Seiko 3813-516
• Seiko 6619-676
• Seiko 3836-345
• Seiko 7048-189
• Seiko 4522-253
• Seiko 6136-264