Seiko Cal. 6621 - 472

This Hand-Winding model from 1967 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-30d053cabc43]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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