Seiko Cal. 6135 - 831

The Seiko 6135-831 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-bbdd6a54e113]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1993

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