Seiko Cal. 6394 - 718

This Spring Drive model from 1974 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-eb36b6c7cbb0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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