Seiko Cal. 5240 - 928

This Automatic model from 1974 features a 38mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-2791c7dbedcb]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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