Seiko Cal. 4413 - 573

This Automatic model from 1978 features a 39mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-6e78495f54d0]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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