Seiko Cal. 4531 - 206

This Automatic model from 1970 features a 40mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-58c0c8921fb9]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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