Seiko Cal. 6321 - 571

The Seiko 6321-571 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e7b855b34935]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

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