Seiko Cal. 6139 - 741

Released in 1984, the Cal. 6139 with design code 741 was part of Seiko's domestic market collection. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-deca5bf031e4]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1984

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