Seiko Cal. 4491 - 403

This Automatic model from 1975 features a 43mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-3a4f43898b0c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1975

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