Seiko Cal. 5621 - 533

This Spring Drive model from 1970 features a 38mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-70d222a987bf]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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