Seiko Cal. 6394 - 444

This Spring Drive model from 1977 features a 37mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-096b00d5f7c5]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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