Seiko Cal. 6374 - 543

The Seiko 6374-543 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-c72f858e1e59]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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