Seiko Cal. 4540 - 578

This Automatic model from 1973 features a 34mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-815020323885]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1973

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