Seiko Cal. 6377 - 404

This Automatic model from 1968 features a 34mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-d7c6d6bf76d5]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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