Seiko Cal. 7138 - 193

The Seiko 7138-193 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-78ac9fa3d7ed]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1985

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