Seiko Cal. 3817 - 232

This Automatic model from 1976 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-921a5a144552]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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