Seiko Cal. 4561 - 587

This Spring Drive model from 1968 features a 39mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-cd34990da1af]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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