Seiko Cal. 6394 - 753

The 6394-753 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-9dd12943fba5]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1973

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