Seiko Cal. 5243 - 138

The Seiko 5243-138 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a5b9afeaed1a]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

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