Seiko Cal. 6331 - 788

This Quartz model from 1979 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-0ecea67e8db0]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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