Seiko Cal. 4550 - 484

This Spring Drive model from 1979 features a 45mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-eddc2878870c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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