Seiko Cal. 6155 - 637

The Seiko 6155-637 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-2045a8d21793]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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