Seiko Cal. 6339 - 688

The 6339-688 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6339 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-6f98450e6a3c]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

Related Models

• Seiko 6632-191
• Seiko 6350-950
• Seiko 4499-151
• Seiko 0780-838
• Seiko 3871-114
• Seiko 0745-773
• Seiko 6620-583
• Seiko 4522-247
• Seiko 6614-586
• Seiko 6625-382
• Seiko 4483-641
• Seiko 6327-894