Seiko Cal. 6339 - 789

The 6339-789 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6339 caliber with 33j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-1688429c0e3f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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