Seiko Cal. 6331 - 534

This Automatic model from 1975 features a 40mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-b843627a90cb]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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