Seiko Cal. 6380 - 393

This Spring Drive model from 1968 features a 45mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-9fca87ea3f14]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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