Seiko Cal. 6399 - 934

This Spring Drive model from 1969 features a 42mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-afde9ca15a5c]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1969

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