Seiko Cal. 6331 - 715

The Seiko 6331-715 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-3fee59321a6b]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1979

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