Seiko Cal. 5211 - 378

The Seiko 5211-378 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-60bb3abbf8a0]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1979

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