Seiko Cal. 6618 - 178

The Seiko 6618-178 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-487e40efb26b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1997

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