Seiko Cal. 6320 - 139

The Seiko 6320-139 represents an important milestone in Seiko's 1979 lineup. Powered by the 6320 caliber with 29j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3b49c79f7b3e]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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