Seiko Cal. 6135 - 831

The Seiko 6135-831 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-75e81ffb5715]

Also known as: Bullhead, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1985

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