Seiko Cal. 5654 - 578

This Automatic model from 1991 features a 44mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-e7f0c5db3052]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1991

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