Seiko Cal. 7181 - 147

This Automatic model from 1987 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7b00630d19ad]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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