Seiko Cal. 5221 - 318

This Automatic model from 1967 features a 37mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6187fbe70af7]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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