Seiko Cal. 6139 - 540

Released in 1988, the Cal. 6139 with design code 540 was part of Seiko's domestic market collection. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-e469409ce5fe]

Also known as: Pogue, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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