Seiko Cal. 4578 - 987

This Automatic model from 1974 features a 45mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-6f75f7199113]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

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