Seiko Cal. 6139 - 550

The Seiko 6139-550 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-68de76bdf535]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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