Seiko Cal. 7172 - 347

This Automatic model from 1972 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-ed9fdb505b41]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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