Seiko Cal. 6139 - 487

Released in 1967, the Cal. 6139 with design code 487 was part of Seiko's domestic market collection. Powered by the 6139 caliber with 26j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-e6ffa47185a7]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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