Seiko Cal. 6135 - 771

Released in 1991, the Cal. 6135 with design code 771 was part of Seiko's domestic market collection. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-d1549eba8ad0]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

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